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all geography including DSDP/ODP Sites and Legs
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Africa
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North Africa
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Asia
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Far East
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Commonwealth of Independent States
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Mediterranean region
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rare earths
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neodymium
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Sm-147/Nd-144 (1)
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samarium
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oxygen
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Vertebrata (3)
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Invertebrata
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Plantae
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Chlorophyta
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Tertiary
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Mesozoic
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Paleozoic
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Cambrian
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Lower Cambrian (7)
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Upper Cambrian
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Carboniferous
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Lower Carboniferous
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Dinantian (3)
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Mississippian
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Lower Mississippian
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Middle Mississippian
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Upper Mississippian
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Devonian
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Lower Devonian
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Middle Devonian
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Upper Devonian
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upper Frasnian (2)
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Ordovician
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upper Paleozoic (1)
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Proterozoic
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sulfides
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Primary terms
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absolute age (6)
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Africa
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North Africa
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Morocco (1)
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Asia
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Far East
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China
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Guangxi China (1)
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Guizhou China (1)
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Middle East (1)
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Atlantic Ocean
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Australasia
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Australia (1)
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biogeography (5)
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brines (1)
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Canada
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Eastern Canada
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Quebec
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Anticosti Island (1)
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Western Canada
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Alberta (1)
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carbon
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C-13/C-12 (1)
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organic carbon (1)
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catalogs (1)
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Cenozoic
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Quaternary
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Holocene
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upper Holocene
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Roman period (1)
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Tertiary
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Paleogene
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Eocene (1)
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upper Cenozoic (1)
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chemical analysis (1)
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Chordata
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Vertebrata (3)
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Europe
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Central Europe
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Pyrenees
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Southern Europe
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Greece
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Greek Aegean Islands
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Cyclades
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Iberian Peninsula
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Spain
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Italy
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Sardinia Italy (1)
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Variscides (3)
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Western Europe
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Andorra (1)
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France
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Aude France
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Mouthoumet Massif (1)
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Salsigne Mine (1)
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Aveyron France (1)
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Brittany (1)
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Central Massif
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Montagne Noire (74)
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Cevennes (3)
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Finistere France
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Crozon Peninsula (1)
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French Pyrenees (3)
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Rouergue (2)
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Rhone Valley (1)
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United Kingdom
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Great Britain
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Scotland
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Wales
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Merionethshire Wales
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faults (6)
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geochemistry (2)
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Graptolithina
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Hemichordata (1)
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ichnofossils
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Chondrites ichnofossils (1)
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igneous rocks
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plutonic rocks
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granites (2)
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lamprophyres
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spessartite (2)
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ultramafics
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peridotites
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lherzolite (1)
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-
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volcanic rocks
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inclusions
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fluid inclusions (4)
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intrusions (6)
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Invertebrata
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Archaeocyatha (2)
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Arthropoda
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Mandibulata
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Crustacea
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Ostracoda (1)
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Trilobitomorpha
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Trilobita
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Agnostida (1)
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Phacopida
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Phacopina
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Phacops (1)
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Ptychopariida
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Proetidae (1)
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-
-
-
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Brachiopoda (4)
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Bryozoa (2)
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Cnidaria
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Anthozoa
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Zoantharia
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Rugosa (1)
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-
-
-
Echinodermata
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Asterozoa
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Stelleroidea
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Somasteroidea (1)
-
-
-
Echinozoa
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Edrioasteroidea (1)
-
-
Homalozoa
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Stylophora (1)
-
-
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Mollusca
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Bivalvia (1)
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Gastropoda (2)
-
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Porifera (2)
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Protista
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Foraminifera (1)
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Radiolaria
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Spumellina (1)
-
-
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isotopes
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radioactive isotopes
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Pb-206/Pb-204 (1)
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Pb-207/Pb-204 (1)
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Pb-208/Pb-204 (1)
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Sm-147/Nd-144 (1)
-
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stable isotopes
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C-13/C-12 (1)
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Nd-144/Nd-143 (1)
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O-18/O-16 (1)
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Pb-206/Pb-204 (1)
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Pb-207/Pb-204 (1)
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Pb-208/Pb-204 (1)
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Sm-147/Nd-144 (1)
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Sr-87/Sr-86 (2)
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magmas (1)
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mantle (3)
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Mediterranean region
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Aegean Islands
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Greek Aegean Islands
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Cyclades
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-
-
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Mesozoic
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Cretaceous (1)
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lower Mesozoic (1)
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metal ores
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arsenic ores (1)
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bismuth ores (1)
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copper ores (1)
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gold ores (3)
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lead ores (1)
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lead-zinc deposits (2)
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silver ores (1)
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zinc ores (1)
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metals
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actinides
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thorium (1)
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uranium (1)
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alkaline earth metals
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Sr-87/Sr-86 (2)
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chromium (1)
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gallium (1)
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germanium (1)
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indium (1)
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lead
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Pb-206/Pb-204 (1)
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Pb-207/Pb-204 (1)
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Pb-208/Pb-204 (1)
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manganese (1)
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mercury (1)
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platinum group
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iridium (1)
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rare earths
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neodymium
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Nd-144/Nd-143 (1)
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Sm-147/Nd-144 (1)
-
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samarium
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Sm-147/Nd-144 (1)
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vanadium (1)
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metamorphic rocks
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eclogite (1)
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gneisses
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augen gneiss (1)
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orthogneiss (3)
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metaigneous rocks
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metabasite (1)
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metasedimentary rocks
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Paleozoic
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Carboniferous
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Mississippian
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Lower Mississippian
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Tournaisian (2)
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Middle Mississippian
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Visean (1)
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Upper Mississippian
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Serpukhovian (1)
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Devonian
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Lower Devonian
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Emsian (2)
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Middle Devonian
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Givetian (1)
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Upper Devonian
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Famennian (4)
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Frasnian
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upper Frasnian (2)
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Kellwasser event (2)
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Ordovician
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Lower Ordovician
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Tremadocian (2)
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Middle Ordovician (1)
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Pogonip Group (1)
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Upper Ordovician (1)
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Permian (1)
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Silurian
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Lower Silurian
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Llandovery
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Telychian (1)
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upper Paleozoic (1)
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paragenesis (1)
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phase equilibria (2)
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Plantae
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algae
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Chlorophyta
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Chlorophyceae
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Dasycladaceae (1)
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Precambrian
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upper Precambrian
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Proterozoic
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sea-level changes (5)
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sedimentary petrology (2)
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GeoRef Categories
Era and Period
Epoch and Age
Book Series
Date
Availability
Montagne Noire
Detecting the late Frasnian semichatovae Event on the deep shelf of north Gondwana Available to Purchase
Plastic deformation and trace element mobility in sphalerite Available to Purchase
Extent and significance of the Upper Ordovician felsic volcanism in the Pyrenees and Mouthoumet Massifs, SW Europe Available to Purchase
Abstract New geochronological (U–Pb isotope dilution thermal ionization mass spectrometry), geochemical and isotopic data from Upper Ordovician felsic volcanic rocks recorded in the Pyrenees and Mouthoumet massifs, SW Europe, suggest that this volcanic activity is more widely represented than previously accepted, and allows a better refinement of the age span involved in the Sardic Unconformity. This Sandbian volcanism represents the final pulse of the Sardic tectonothermal event, starting with the Floian–Darriwilian emplacement of voluminous plutonic rocks and the contemporaneous erosion of the uplifted pre–Upper Ordovician basement, and followed by a tholeiitic volcanism contemporaneous with extensional features and the opening of (half-)grabens finally sealed by Hirnantian glaciomarine deposits. The Sardic-related lithospheric extension may be linked to thermal doming originated by a superplume activity that caused, in turn, an extensive crustal melting responsible for the onset of the felsic (calc-alkaline-dominated), Floian–Darriwilian intrusive and Sandbian extrusive magmatism along the northern margin of Gondwana.