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NARROW
Format
Article Type
Journal
Publisher
Section
GeoRef Subject
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all geography including DSDP/ODP Sites and Legs
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Africa
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Central Africa
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Angola (2)
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Congo (2)
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Congo Democratic Republic
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Kivu Congo Democratic Republic (1)
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Rwanda (2)
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West Congo Belt (1)
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Congo Craton (1)
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East Africa
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Mozambique (1)
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Uganda (1)
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North Africa
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Algeria
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Ahaggar (1)
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Morocco
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Bou Azzer (1)
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-
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Southern Africa
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Kaapvaal Craton (1)
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Namibia (2)
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South Africa
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Bushveld Complex (1)
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Cape fold belt (1)
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Free State South Africa (1)
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Transvaal region (1)
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Witwatersrand (2)
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West Africa
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Nigeria (1)
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Antarctica
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East Antarctica (1)
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Ellsworth Land
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Ellsworth Mountains (1)
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Transantarctic Mountains
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Pensacola Mountains (1)
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Asia
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Central Asia
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Kazakhstan (1)
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Far East
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China
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Sichuan China (1)
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Himalayas (2)
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Indian Peninsula
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Pakistan (1)
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Yakutia Russian Federation (1)
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Atlantic Ocean
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South Atlantic
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Southwest Atlantic (15)
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Atlantic region (1)
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Australasia
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Australia
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Western Australia
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Cameroon Line (1)
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Campos Basin (27)
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Canada
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Eastern Canada
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Newfoundland and Labrador
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Labrador (2)
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Quebec
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Abitibi County Quebec
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Oka Complex (1)
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Sigma Mine (1)
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Labrador Trough (1)
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Western Canada
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Manitoba (1)
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Coast Ranges (1)
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Commonwealth of Independent States
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Kazakhstan (1)
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Russian Federation
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Murmansk Russian Federation
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Khibiny Mountains (1)
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Yakutia Russian Federation (1)
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Urals (1)
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Europe
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Central Europe
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Czech Republic
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Bohemia
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Germany
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Saxony Germany (1)
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Murmansk Russian Federation
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Khibiny Mountains (1)
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Pyrenees (1)
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Southern Europe
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Iberian Peninsula
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Portugal (1)
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Spain
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Italy
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Western Europe
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France
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Scandinavia
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United Kingdom
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Great Britain
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Mexico (1)
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North America
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Potiguar Basin (1)
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South America
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Andes
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Argentina (3)
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Brazil
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Aracuai Belt (4)
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Bahia Brazil
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Bauru Basin (3)
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Borborema (2)
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Borborema Province (2)
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Brasilia Belt (2)
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Brazilian Shield (2)
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Ceara Brazil (1)
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Espirito Santo Brazil (8)
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Goias Brazil (38)
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Maranhao Brazil (1)
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Mato Grosso Brazil (3)
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Mato Grosso do Sul Brazil (1)
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Minas Gerais Brazil
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Araxa Brazil (4)
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Itabira Brazil (13)
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Ouro Preto Brazil (10)
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Pocos de Caldas Brazil (4)
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Quadrilatero Ferrifero (22)
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Para Brazil
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Serra dos Carajas (1)
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Paraiba Brazil (1)
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Parana Brazil (3)
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Parnaiba Basin (1)
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Pelotas Basin (2)
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Piaui Brazil (2)
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Ribeira Belt (3)
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Rio de Janeiro Brazil
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Angra dos Reis Brazil (1)
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Guanabara Bay (1)
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Itaborai Brazil (1)
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Rio de Janeiro City Brazil (2)
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Rio Grande do Norte Brazil (3)
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Rio Grande do Sul Brazil (3)
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Roraima Brazil (1)
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Santa Catarina Brazil (2)
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Sao Francisco Basin (4)
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Sao Francisco Craton (37)
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Sao Paulo Brazil (55)
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Sergipe-Alagoas Basin (1)
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Serra do Mar (2)
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Tocantins Brazil (1)
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Chile
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Falkland Islands (1)
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Rio de la Plata Craton (2)
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Uruguay (2)
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Southern Hemisphere (1)
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United States
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California (3)
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Delaware (1)
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Maine (1)
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Minnesota
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Goodhue County Minnesota (1)
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Montana (2)
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New Mexico (1)
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Pennsylvania
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Lebanon County Pennsylvania (1)
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Utah
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Juab County Utah (1)
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Wisconsin (1)
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commodities
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brines (1)
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ceramic materials (1)
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clay deposits (3)
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construction materials
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building stone (1)
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diamond deposits (6)
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energy sources (1)
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gems (12)
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heavy mineral deposits (1)
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industrial minerals (1)
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kaolin deposits (1)
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metal ores
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arsenic ores (1)
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base metals (1)
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cobalt ores (1)
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copper ores (3)
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gold ores (36)
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iron ores (21)
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lead ores (2)
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lead-zinc deposits (3)
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manganese ores (2)
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nickel ores (6)
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niobium ores (3)
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palladium ores (7)
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platinum ores (6)
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polymetallic ores (1)
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rare earth deposits (2)
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silver ores (1)
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strontium ores (1)
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tin ores (2)
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tungsten ores (1)
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uranium ores (2)
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zinc ores (4)
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-
mineral deposits, genesis (53)
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mineral exploration (7)
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mineral resources (1)
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nonmetal deposits (1)
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oil and gas fields (13)
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petroleum
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natural gas (2)
-
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phosphate deposits (2)
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placers
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stream placers (1)
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quartz crystal (1)
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water resources (1)
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elements, isotopes
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boron
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B-11/B-10 (1)
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carbon
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C-13/C-12 (10)
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C-14 (9)
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organic carbon (1)
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chemical ratios (3)
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halogens
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chlorine (1)
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hydrogen (4)
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incompatible elements (1)
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isotope ratios (24)
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isotopes
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radioactive isotopes
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Ar-40/Ar-39 (1)
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C-14 (9)
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K-40 (1)
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Pb-206/Pb-204 (3)
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Pb-207/Pb-204 (3)
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Pb-208/Pb-204 (1)
-
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stable isotopes
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Ar-40/Ar-39 (1)
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B-11/B-10 (1)
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C-13/C-12 (10)
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Hf-177/Hf-176 (1)
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Li-7/Li-6 (1)
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N-15/N-14 (1)
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Nd-144/Nd-143 (5)
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O-18/O-16 (9)
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Pb-206/Pb-204 (3)
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Pb-207/Pb-204 (3)
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Pb-207/Pb-206 (2)
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Pb-208/Pb-204 (1)
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S-34/S-32 (5)
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Sr-87/Sr-86 (10)
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-
-
Lu/Hf (2)
-
metals
-
actinides
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thorium (1)
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uranium (5)
-
-
alkali metals
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lithium
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Li-7/Li-6 (1)
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-
potassium
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K-40 (1)
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rubidium (3)
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sodium (1)
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-
alkaline earth metals
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barium (1)
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calcium
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Mg/Ca (2)
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-
magnesium
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Mg/Ca (2)
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-
strontium
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Sr-87/Sr-86 (10)
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-
-
aluminum (1)
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arsenic (2)
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bismuth (2)
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chromium (4)
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cobalt (2)
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copper (3)
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gallium (1)
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gold (14)
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hafnium
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Hf-177/Hf-176 (1)
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indium (2)
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iron
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ferric iron (8)
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ferrous iron (2)
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lead
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Pb-206/Pb-204 (3)
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Pb-207/Pb-204 (3)
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Pb-207/Pb-206 (2)
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Pb-208/Pb-204 (1)
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manganese (8)
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mercury (5)
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nickel (3)
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niobium (6)
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platinum group
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iridium (2)
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osmium (1)
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palladium (19)
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palladium ores (7)
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platinum (6)
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platinum ores (6)
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rhodium (1)
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ruthenium (1)
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precious metals (2)
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rare earths
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cerium (2)
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europium (2)
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neodymium
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Nd-144/Nd-143 (5)
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praseodymium (1)
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scandium (1)
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yttrium (4)
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silver (1)
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tantalum (1)
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thallium (1)
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tin (2)
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titanium (5)
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tungsten (1)
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vanadium (4)
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zinc (1)
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nitrogen
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N-15/N-14 (1)
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-
noble gases
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argon
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Ar-40/Ar-39 (1)
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oxygen
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O-18/O-16 (9)
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phosphorus (1)
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selenium (5)
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silicon (1)
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sulfur
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S-34/S-32 (5)
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trace metals (1)
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fossils
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borings (1)
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burrows (2)
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Chordata
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Vertebrata
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Pisces
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Osteichthyes
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Actinopterygii (1)
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Sarcopterygii
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Crossopterygii (1)
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Tetrapoda
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Mammalia
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Theria
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Eutheria
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Litopterna (1)
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Reptilia (1)
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Cloudina (1)
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coprolites (1)
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ichnofossils (3)
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Invertebrata
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Arthropoda
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Ostracoda
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Podocopida (1)
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Insecta
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Pterygota
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Neoptera
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Endopterygota
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Hymenoptera (3)
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Exopterygota
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Orthoptera (1)
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Brachiopoda
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Articulata
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Rhynchonellida (1)
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Terebratulida (3)
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Inarticulata
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Lingula (1)
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Bryozoa (1)
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Bivalvia (3)
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Gastropoda (2)
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Porifera (1)
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Protista
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Foraminifera
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Miliolina
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Miliolidae (1)
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Rotaliina
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Globigerinacea
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Globorotaliidae
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Globorotalia (1)
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Rotaliacea
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Ammonia (1)
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Textulariina
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Lituolacea
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Lituolidae
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Haplophragmoides (1)
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Trochammina (1)
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Metazoa (1)
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microfossils (14)
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palynomorphs
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acritarchs (2)
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Dinoflagellata (1)
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miospores
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pollen (16)
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Plantae
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algae
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calcareous algae (1)
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Microcodium (1)
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Pteridophyta (1)
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Spermatophyta
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Angiospermae
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Leguminosae (1)
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problematic fossils (1)
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geologic age
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Cenozoic
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Quaternary
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Holocene
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upper Holocene (3)
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Pleistocene
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upper Pleistocene (3)
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Tertiary
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Barreiras Formation (1)
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Neogene
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Miocene
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lower Miocene (2)
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Paleogene
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Eocene
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Annot Sandstone (1)
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upper Eocene (2)
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Oligocene
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lower Oligocene (1)
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Tremembe Formation (1)
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Paleocene (3)
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-
-
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Mesozoic
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Caracas Group (1)
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Cretaceous
-
Lower Cretaceous
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Albian (7)
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Aptian (3)
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Barremian (1)
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Lagoa Feia Formation (2)
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Macae Formation (4)
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Upper Cretaceous
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Cenomanian (1)
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Maestrichtian (2)
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Marilia Formation (2)
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Santonian (2)
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-
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Jurassic
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Lower Jurassic (1)
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Upper Jurassic
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Smackover Formation (1)
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-
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Triassic (1)
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Paleozoic
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Cambrian
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Lower Cambrian (1)
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Carboniferous
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Pennsylvanian (1)
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Upper Carboniferous (1)
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Devonian
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Ponta Grossa Formation (1)
-
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Itarare Subgroup (3)
-
lower Paleozoic
-
Wilmington Complex (1)
-
-
Ordovician (1)
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Permian
-
Irati Formation (2)
-
Lower Permian (1)
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Passa Dois Group (1)
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Rio Bonito Formation (1)
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Upper Permian (2)
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Silurian
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Lower Silurian
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Llandovery (2)
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upper Paleozoic (1)
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Phanerozoic (2)
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Precambrian
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Archean
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Mesoarchean (1)
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Neoarchean (2)
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Paleoarchean (1)
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-
Hamersley Group (1)
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Minas Supergroup (11)
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Stillwater Complex (1)
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upper Precambrian
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Proterozoic
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Araxa Group (1)
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Bambui Group (9)
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Espinhaco Supergroup (5)
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Mesoproterozoic (3)
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Neoproterozoic
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Ediacaran (4)
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Macaubas Group (2)
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Riphean (1)
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Vendian (1)
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Paleoproterozoic (11)
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igneous rocks
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carbonatites (13)
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pegmatite (43)
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ultramafics
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peridotites
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dunite (3)
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harzburgite (1)
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pyroxenite
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orthopyroxenite (3)
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volcanic rocks
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basalts
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flood basalts (1)
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mid-ocean ridge basalts (1)
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tholeiitic basalt (2)
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basanite (1)
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metamorphic rocks
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metamorphic rocks
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metasedimentary rocks (5)
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metavolcanic rocks (4)
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phyllites (4)
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quartzites
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ferruginous quartzite (1)
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schists
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greenstone (2)
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slates (2)
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turbidite (7)
-
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meteorites
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meteorites
-
Lewis Cliff Meteorites
-
LEW 86010 (1)
-
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Northwest Africa Meteorites (1)
-
stony meteorites
-
achondrites
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angrite
-
LEW 86010 (1)
-
-
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minerals
-
alloys
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hedleyite (1)
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antimonides (1)
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arsenates
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legrandite (1)
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pharmacosiderite (1)
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scorodite (2)
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arsenides
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arsenopyrite (2)
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arsenites (1)
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carbonates
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calcite (5)
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dolomite (3)
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parisite (2)
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strontianite (1)
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synchysite (2)
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chromates (1)
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halides
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chlorides
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fluorides
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bastnaesite (2)
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clinohumite (1)
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fluorite (1)
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parisite (2)
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synchysite (2)
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topaz (6)
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zinnwaldite (1)
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-
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iron minerals (1)
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minerals (20)
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native elements
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oxalates (1)
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oxides
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anatase (2)
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corundum (1)
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cryptomelane (1)
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diaspore (1)
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hydroxides
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ilmenite (12)
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niobates
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perovskite (2)
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rutile (5)
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spinel (1)
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tantalates
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microlite (4)
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tantalite (3)
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titanium oxides (2)
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phosphates
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apatite (6)
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silicates
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amphibole group
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astrophyllite (1)
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pyroxene group
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clinopyroxene
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aegirine (3)
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spodumene (5)
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wollastonite group
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pectolite (1)
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framework silicates
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feldspar group
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alkali feldspar
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adularia (1)
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K-feldspar (1)
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microcline (3)
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orthoclase (1)
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perthite (1)
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plagioclase
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albite (5)
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anorthite (1)
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-
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nepheline group
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nepheline (2)
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pseudoleucite (1)
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silica minerals
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amethyst (1)
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quartz (10)
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sodalite group
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genthelvite (1)
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helvite (1)
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zeolite group
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analcime (1)
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natrolite (1)
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-
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garnierite (1)
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orthosilicates
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nesosilicates
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clinohumite (1)
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datolite group
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datolite (1)
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gadolinite (2)
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-
euclase (1)
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garnet group
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almandine (2)
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spessartine (2)
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kyanite (1)
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olivine group
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monticellite (1)
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olivine (4)
-
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phenakite group
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willemite (1)
-
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staurolite (1)
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titanite group
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titanite (1)
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titanoclinohumite (2)
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topaz (6)
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zircon group
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zircon (13)
-
-
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sorosilicates
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epidote group
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epidote (1)
-
-
-
-
ring silicates
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beryl (9)
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emerald (2)
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eudialyte (1)
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milarite group
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milarite (1)
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tourmaline group
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dravite (2)
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elbaite (7)
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foitite (1)
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schorl (3)
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uvite (1)
-
-
-
sheet silicates
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chlorite group
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chlorite (2)
-
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clay minerals
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halloysite (2)
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kaolinite (7)
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montmorillonite (2)
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nontronite (2)
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smectite (6)
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stevensite (2)
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vermiculite (1)
-
-
illite (3)
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mica group
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biotite (2)
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fluor-phlogopite (1)
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lepidolite (2)
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muscovite (6)
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phlogopite (8)
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zinnwaldite (1)
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sericite (1)
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serpentine group
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lizardite (1)
-
-
-
-
sulfates
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barite (1)
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gypsum (2)
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sulfides
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arsenopyrite (2)
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chalcopyrite (2)
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galena (1)
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genthelvite (1)
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helvite (1)
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iron sulfides (1)
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joseite (1)
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pentlandite (2)
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pyrite (7)
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pyrrhotite (4)
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roquesite (1)
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sphalerite (1)
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tochilinite (2)
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sulfosalts
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sulfostannates
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stannite (1)
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-
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tellurides
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hedleyite (1)
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joseite (1)
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tungstates
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wolframite (1)
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-
uranium minerals (3)
-
-
Primary terms
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absolute age (33)
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Africa
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Central Africa
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Angola (2)
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Congo (2)
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Congo Democratic Republic
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Rwanda (2)
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East Africa
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North Africa
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Morocco
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-
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Southern Africa
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Kaapvaal Craton (1)
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Namibia (2)
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South Africa
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Bushveld Complex (1)
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Free State South Africa (1)
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Transvaal region (1)
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West Africa
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Nigeria (1)
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Antarctica
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Asia
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atmosphere (1)
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Australasia
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Australia
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Pilbara Craton (1)
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biogeography (2)
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boron
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B-11/B-10 (1)
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brines (1)
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Canada
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Eastern Canada
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Newfoundland and Labrador
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Quebec
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Abitibi County Quebec
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Val d'Or Quebec (1)
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Oka Complex (1)
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Sigma Mine (1)
-
-
-
Labrador Trough (1)
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Western Canada
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British Columbia (1)
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Manitoba (1)
-
-
-
carbon
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C-13/C-12 (10)
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C-14 (9)
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organic carbon (1)
-
-
Cenozoic
-
Quaternary
-
Holocene
-
upper Holocene (3)
-
-
Pleistocene
-
upper Pleistocene (3)
-
-
-
Tertiary
-
Barreiras Formation (1)
-
Neogene
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Miocene
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lower Miocene (2)
-
-
-
Paleogene
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Eocene
-
Annot Sandstone (1)
-
upper Eocene (2)
-
-
Oligocene
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lower Oligocene (1)
-
Tremembe Formation (1)
-
-
Paleocene (3)
-
-
-
-
ceramic materials (1)
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chemical analysis (1)
-
Chordata
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Vertebrata
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Pisces
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Osteichthyes
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Actinopterygii (1)
-
Sarcopterygii
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Crossopterygii (1)
-
-
-
-
Tetrapoda
-
Mammalia
-
Theria
-
Eutheria
-
Litopterna (1)
-
-
-
-
Reptilia (1)
-
-
-
-
clay deposits (3)
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clay mineralogy (13)
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climate change (3)
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conservation (1)
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construction materials
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building stone (1)
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continental drift (5)
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continental shelf (1)
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coprolites (1)
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crust (9)
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crystal chemistry (40)
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crystal growth (10)
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crystal structure (68)
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crystallography (4)
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dams (1)
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data processing (14)
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deformation (13)
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economic geology (32)
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Europe
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Germany
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Murmansk Russian Federation
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Southern Europe
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Italy
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Western Europe
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France
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Scandinavia
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faults (25)
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hydrology (4)
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ichnofossils (3)
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igneous rocks
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carbonatites (13)
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feldspathoid rocks (2)
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hypabyssal rocks (1)
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kamafugite (3)
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kimberlite (6)
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picrite (1)
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plutonic rocks
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anorthosite (1)
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diabase (2)
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diorites
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tonalite (1)
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gabbros
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norite (1)
-
-
granites
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A-type granites (2)
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charnockite (1)
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leucogranite (1)
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rapakivi (1)
-
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granodiorites (1)
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lamproite (2)
-
lamprophyres
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camptonite (1)
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monchiquite (1)
-
-
pegmatite (43)
-
syenites
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albitite (2)
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alkali syenites (1)
-
nepheline syenite
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agpaite (1)
-
miaskite (1)
-
-
-
ultramafics
-
peridotites
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dunite (3)
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harzburgite (1)
-
-
pyroxenite
-
orthopyroxenite (3)
-
-
-
-
volcanic rocks
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basalts
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flood basalts (1)
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mid-ocean ridge basalts (1)
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tholeiitic basalt (2)
-
-
basanite (1)
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komatiite (2)
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phonolites (2)
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tephrite (1)
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trachytes (1)
-
-
-
inclusions
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fluid inclusions (8)
-
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industrial minerals (1)
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intrusions (21)
-
Invertebrata
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Arthropoda
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Mandibulata
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Crustacea
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Ostracoda
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Podocopida (1)
-
-
-
Insecta
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Pterygota
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Neoptera
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Endopterygota
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Hymenoptera (3)
-
-
Exopterygota
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Orthoptera (1)
-
-
-
-
-
-
-
Brachiopoda
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Articulata
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Rhynchonellida (1)
-
Terebratulida (3)
-
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Inarticulata
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Lingula (1)
-
-
-
Bryozoa (1)
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Mollusca
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Bivalvia (3)
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Gastropoda (2)
-
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Porifera (1)
-
Protista
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Foraminifera
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Miliolina
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Miliolacea
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Miliolidae (1)
-
-
-
Rotaliina
-
Globigerinacea
-
Globorotaliidae
-
Globorotalia (1)
-
-
-
Rotaliacea
-
Ammonia (1)
-
-
-
Textulariina
-
Lituolacea
-
Lituolidae
-
Haplophragmoides (1)
-
-
Trochammina (1)
-
-
-
-
-
-
isotopes
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radioactive isotopes
-
Ar-40/Ar-39 (1)
-
C-14 (9)
-
K-40 (1)
-
Pb-206/Pb-204 (3)
-
Pb-207/Pb-204 (3)
-
Pb-208/Pb-204 (1)
-
-
stable isotopes
-
Ar-40/Ar-39 (1)
-
B-11/B-10 (1)
-
C-13/C-12 (10)
-
Hf-177/Hf-176 (1)
-
Li-7/Li-6 (1)
-
N-15/N-14 (1)
-
Nd-144/Nd-143 (5)
-
O-18/O-16 (9)
-
Pb-206/Pb-204 (3)
-
Pb-207/Pb-204 (3)
-
Pb-207/Pb-206 (2)
-
Pb-208/Pb-204 (1)
-
S-34/S-32 (5)
-
Sr-87/Sr-86 (10)
-
-
-
kaolin deposits (1)
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land subsidence (1)
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land use (4)
-
lava (1)
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lineation (2)
-
magmas (8)
-
mantle (6)
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marine geology (1)
-
Mesozoic
-
Caracas Group (1)
-
Cretaceous
-
Lower Cretaceous
-
Albian (7)
-
Aptian (3)
-
Barremian (1)
-
Lagoa Feia Formation (2)
-
-
Macae Formation (4)
-
Upper Cretaceous
-
Cenomanian (1)
-
Maestrichtian (2)
-
Marilia Formation (2)
-
Santonian (2)
-
-
-
Jurassic
-
Lower Jurassic (1)
-
Upper Jurassic
-
Smackover Formation (1)
-
-
-
Triassic (1)
-
-
metal ores
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arsenic ores (1)
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base metals (1)
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cobalt ores (1)
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copper ores (3)
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gold ores (36)
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iron ores (21)
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lead ores (2)
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lead-zinc deposits (3)
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manganese ores (2)
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nickel ores (6)
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niobium ores (3)
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palladium ores (7)
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platinum ores (6)
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polymetallic ores (1)
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rare earth deposits (2)
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silver ores (1)
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strontium ores (1)
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tin ores (2)
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tungsten ores (1)
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uranium ores (2)
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zinc ores (4)
-
-
metals
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actinides
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thorium (1)
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uranium (5)
-
-
alkali metals
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lithium
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Li-7/Li-6 (1)
-
-
potassium
-
K-40 (1)
-
-
rubidium (3)
-
sodium (1)
-
-
alkaline earth metals
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barium (1)
-
calcium
-
Mg/Ca (2)
-
-
magnesium
-
Mg/Ca (2)
-
-
strontium
-
Sr-87/Sr-86 (10)
-
-
-
aluminum (1)
-
arsenic (2)
-
bismuth (2)
-
chromium (4)
-
cobalt (2)
-
copper (3)
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gallium (1)
-
gold (14)
-
hafnium
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Hf-177/Hf-176 (1)
-
-
indium (2)
-
iron
-
ferric iron (8)
-
ferrous iron (2)
-
-
lead
-
Pb-206/Pb-204 (3)
-
Pb-207/Pb-204 (3)
-
Pb-207/Pb-206 (2)
-
Pb-208/Pb-204 (1)
-
-
manganese (8)
-
mercury (5)
-
nickel (3)
-
niobium (6)
-
platinum group
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iridium (2)
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osmium (1)
-
palladium (19)
-
palladium ores (7)
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platinum (6)
-
platinum ores (6)
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rhodium (1)
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ruthenium (1)
-
-
precious metals (2)
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rare earths
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cerium (2)
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europium (2)
-
neodymium
-
Nd-144/Nd-143 (5)
-
-
praseodymium (1)
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scandium (1)
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yttrium (4)
-
-
silver (1)
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tantalum (1)
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thallium (1)
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tin (2)
-
titanium (5)
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tungsten (1)
-
vanadium (4)
-
zinc (1)
-
-
metamorphic rocks
-
amphibolites
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orthoamphibolite (1)
-
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eclogite (1)
-
gneisses
-
granite gneiss (1)
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orthogneiss (1)
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tonalite gneiss (1)
-
-
granulites (3)
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itabirite (7)
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marbles (2)
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metaigneous rocks
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metabasalt (1)
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metabasite (1)
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metadiorite (1)
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metagranite (1)
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serpentinite (1)
-
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metasedimentary rocks (5)
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greisen (1)
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metavolcanic rocks (4)
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quartzites
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ferruginous quartzite (1)
-
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schists
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greenstone (2)
-
-
slates (2)
-
-
metamorphism (24)
-
metasomatism (29)
-
meteorites
-
Lewis Cliff Meteorites
-
LEW 86010 (1)
-
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Northwest Africa Meteorites (1)
-
stony meteorites
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achondrites
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angrite
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LEW 86010 (1)
-
-
-
-
-
Mexico (1)
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mineral deposits, genesis (53)
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mineral exploration (7)
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mineral resources (1)
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mineralogy (31)
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minerals (20)
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mining geology (2)
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Mohorovicic discontinuity (1)
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nitrogen
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N-15/N-14 (1)
-
-
noble gases
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argon
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Ar-40/Ar-39 (1)
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-
-
nonmetal deposits (1)
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North America
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Appalachians (1)
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ocean circulation (2)
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ocean floors (2)
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oil and gas fields (13)
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orogeny (8)
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oxygen
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O-18/O-16 (9)
-
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paleoclimatology (4)
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paleoecology (5)
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paleogeography (5)
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GeoRef Categories
Era and Period
Epoch and Age
Book Series
Date
Availability
THE INFLUENCE OF SEASONALITY ON LIVE-DEAD FIDELITY OF CAENOGASTROPODA FROM THE NORTHERN COAST OF SÃO PAULO STATE, BRAZIL Available to Purchase
Deterministic and Stochastic Modeling in Prediction of Petrophysical Properties of an Albian Carbonate Reservoir in the Campos Basin (Southeastern Brazil) Available to Purchase
Pollen sources used by the stingless bee Schwarziana quadripunctata in a coffee-growing landscape Available to Purchase
Insights into the Phanerozoic evolution of the São Francisco Craton based on detrital zircon thermochronology and U-Pb-Hf geochronology Available to Purchase
Floral resources of Epicharis flava (Hymenoptera, Apidae) in an urban area, detected from the pollen spectrum in the scopae Available to Purchase
Fracture analysis in borehole images from BM-C-33 area, outer Campos Basin, Brazil Available to Purchase
Organic-walled microfossils from the Ediacaran Sete Lagoas Formation, Bambuí Group, Southeast Brazil: taxonomic and biostratigraphic analyses Open Access
Dolomite formation during penecontemporaneous subaerial diagenesis: evidence from modern dolomite crusts forming in lagoon Brejo do Espinho, Brazil Available to Purchase
A salty snapshot: extreme variations in basal erosion patterns preserved in a submarine channel Open Access
NEOICHNOLOGICAL ANALYSIS OF MOLE CRICKET BURROWS: IMPLICATIONS OF SUBSTRATE MOISTURE CHANGES ON PRESERVATION AND MORPHOLOGY Available to Purchase
Relationship between pollination syndromes, pollen morphology and plant ecology in Quaternary deposits of the Cerrado Available to Purchase
Gold-Bearing Sperrylite: Occurrence and Significance in Minas Gerais, Brazil Available to Purchase
The amalgamation of Gondwana: calcite twinning and finite strains from the early–late Paleozoic Buzios, Ross, Kurgiakh and Gondwanide orogens Available to Purchase
Abstract Orientated carbonate (calcite twinning strains; n = 78 with 2414 twin measurements) and quartzites (finite strains; n = 15) were collected around Gondwana to study the deformational history associated with the amalgamation of the supercontinent. The Buzios orogen (545–500 Ma), within interior Gondwana, records the high-grade collisional orogen between the São Francisco Craton (Brazil) and the Congo–Angola Craton (Angola and Namibia), and twinning strains in calc-silicates record a SE–NW shortening fabric parallel to the thrust transport. Along Gondwana's southern margin, the Saldanian–Ross–Delamerian orogen (590–480 Ma) is marked by a regional unconformity that cuts into deformed Neoproterozoic–Ordovician sedimentary rocks and associated intrusions. Cambrian carbonate is preserved in the central part of the southern Gondwana margin, namely in the Kango Inlier of the Cape Fold Belt and the Ellsworth, Pensacola and Transantarctic mountains. Paleozoic carbonate is not preserved in the Ventana Mountains in Argentina, in the Falkland Islands/Islas Malvinas or in Tasmania. Twinning strains in these Cambrian carbonate strata and synorogenic veins record a complex, overprinted deformation history with no stable foreland strain reference. The Kurgiakh orogen (490 Ma) along Gondwana's northern margin is also defined by a regional Ordovician unconformity throughout the Himalaya; these rocks record a mix of layer-parallel and layer-normal twinning strains with a likely Himalayan (40 Ma) strain overprint and no autochthonous foreland strain site. Conversely, the Gondwanide orogen (250 Ma) along Gondwana's southern margin has three foreland (autochthonous) sites for comparison with 59 allochthonous thrust-belt strain analyses. From west to east, these include: finite strains from Devonian quartzite preserve a layer-parallel shortening (LPS) strain rotated clockwise in the Ventana Mountains of Argentina; frontal (calcite twins) and internal (quartzite strains) samples in the Cape Fold Belt preserve a LPS fabric that is rotated clockwise from the autochthonous north–south horizontal shortening in the foreland strain site; Falkland Devonian quartzite shows the same clockwise rotation of the LPS fabric; and Permian limestone and veins in Tasmania record a thrust transport-parallel LPS fabric. Early amalgamation of Gondwana (Ordovician) is preserved by local layer-parallel and layer-normal strain without evidence of far-field deformation, whereas the Gondwanide orogen (Permian) is dominated by layer-parallel shortening, locally rotated by dextral shear along the margin, that propagated across the supercontinent.