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NARROW
GeoRef Subject
-
all geography including DSDP/ODP Sites and Legs
-
Africa
-
East Africa
-
Tanzania (1)
-
-
East African Rift (1)
-
Limpopo Belt (1)
-
North Africa
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Atlas Mountains
-
Moroccan Atlas Mountains
-
High Atlas (1)
-
-
-
Morocco
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Moroccan Atlas Mountains
-
High Atlas (1)
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-
-
Southern Africa
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Barberton greenstone belt (1)
-
Kaapvaal Craton (1)
-
South Africa
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Bushveld Complex (1)
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Transvaal region (1)
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West Africa
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Senegal (1)
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Asia
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Arabian Peninsula
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Arabian Shield (1)
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Far East
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China (1)
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Indonesia
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Billiton (1)
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Japan
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Korea (1)
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Himalayas
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Jammu and Kashmir
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Middle East
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Atlantic Ocean
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Australasia
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Australia
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Queensland Australia
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Cloncurry mining district (2)
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Western Australia
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Azerbaijan region (1)
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Canada
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Eastern Canada
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Maritime Provinces
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New Brunswick
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Gloucester County New Brunswick
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Nova Scotia
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Meguma Terrane (1)
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Newfoundland and Labrador
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Ontario
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Quebec
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Western Canada
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Northwest Territories
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Commonwealth of Independent States
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Russian Federation
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Tuscany Italy
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Western Europe
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France
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Norway
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Sweden
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Highland region Scotland
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Hartford Basin (1)
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Mexico
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Brazil
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Chile (4)
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Washington
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commodities
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mineral deposits, genesis (24)
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mineral exploration (6)
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petroleum
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elements, isotopes
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carbon
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C-13/C-12 (6)
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chemical elements (1)
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chemical ratios (2)
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halogens
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chlorine (1)
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hydrogen
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D/H (3)
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deuterium (1)
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isotope ratios (12)
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isotopes
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stable isotopes
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C-13/C-12 (6)
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D/H (3)
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deuterium (1)
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He-4 (1)
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O-18/O-16 (13)
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metals
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aluminum (1)
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iron (2)
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noble gases
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helium
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He-4 (1)
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oxygen
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O-18/O-16 (13)
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sulfur
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S-34/S-32 (4)
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geochronology methods
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paleomagnetism (1)
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geologic age
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Cenozoic
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Tertiary
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Stevens Sandstone (2)
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Pliocene (2)
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Paleogene
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Eocene (2)
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Oligocene
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Frio Formation (2)
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Mesozoic
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Lower Cretaceous (2)
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Franciscan Complex (1)
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East Berlin Formation (1)
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Triassic
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Paleozoic
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Cambrian
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Carboniferous
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Devonian
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Lower Devonian
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Shap Granite (1)
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Upper Devonian (1)
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Ordovician
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Middle Ordovician (1)
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Tetagouche Group (1)
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Permian (1)
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Silurian (1)
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upper Paleozoic
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Fountain Formation (1)
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-
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Precambrian
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Archean
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Neoarchean (2)
-
-
upper Precambrian
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Proterozoic
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Huronian
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Onaping Formation (1)
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Isan Orogeny (1)
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Mesoproterozoic
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Soldiers Cap Group (1)
-
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Neoproterozoic (3)
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Paleoproterozoic
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Birimian (1)
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-
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igneous rocks
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igneous rocks
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carbonatites (2)
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plutonic rocks
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diorites
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plagiogranite (1)
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tonalite (1)
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trondhjemite (1)
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gabbros (2)
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granites
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alkali granites (1)
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A-type granites (1)
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biotite granite (2)
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leucogranite (1)
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granodiorites (1)
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pegmatite (6)
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quartz monzonite (1)
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syenites
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albitite (7)
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nepheline syenite
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agpaite (1)
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ultramafics (1)
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porphyry (1)
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volcanic rocks
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andesites (1)
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pyroclastics
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ash-flow tuff (1)
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tuffite (1)
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rhyolites (1)
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ophiolite (1)
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metamorphic rocks
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metamorphic rocks
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eclogite (1)
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metasedimentary rocks
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metasomatic rocks
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metavolcanic rocks (2)
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black schists (1)
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muscovite schist (1)
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ophiolite (1)
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minerals
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carbonates
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halides
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minerals (8)
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native elements
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oxides
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iron oxides (7)
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pseudobrookite (1)
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rutile (2)
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tantalates
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tantalite (2)
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phosphates
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monazite (3)
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silicates
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chain silicates
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bavenite (1)
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pyroxene group
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clinopyroxene
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framework silicates
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plagioclase
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-
-
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scapolite group
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-
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silica minerals
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quartz (10)
-
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zeolite group
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analcime (1)
-
-
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orthosilicates
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nesosilicates
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garnet group
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grossular (2)
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spessartine (1)
-
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kyanite (1)
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titanite group
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titanite (2)
-
-
zircon group
-
zircon (5)
-
-
-
sorosilicates
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bertrandite (1)
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epidote group
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clinozoisite (1)
-
-
-
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ring silicates
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beryl (1)
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emerald (1)
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eudialyte (1)
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tourmaline group
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dravite (1)
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elbaite (1)
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schorl (2)
-
-
-
sheet silicates
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chlorite group
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chlorite (6)
-
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clay minerals
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halloysite (1)
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kaolinite (5)
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smectite (3)
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illite (5)
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mica group
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biotite (4)
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muscovite (4)
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petalite (1)
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-
-
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sulfates
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-
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sulfides
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molybdenite (1)
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pyrite (2)
-
pyrrhotite (1)
-
-
-
Primary terms
-
absolute age (7)
-
Africa
-
East Africa
-
Tanzania (1)
-
-
East African Rift (1)
-
Limpopo Belt (1)
-
North Africa
-
Atlas Mountains
-
Moroccan Atlas Mountains
-
High Atlas (1)
-
-
-
Morocco
-
Moroccan Atlas Mountains
-
High Atlas (1)
-
-
-
-
Southern Africa
-
Barberton greenstone belt (1)
-
Kaapvaal Craton (1)
-
South Africa
-
Bushveld Complex (1)
-
Transvaal region (1)
-
-
-
West Africa
-
Senegal (1)
-
-
-
Asia
-
Arabian Peninsula
-
Arabian Shield (1)
-
Saudi Arabia (1)
-
-
Far East
-
China (1)
-
Indonesia
-
Billiton (1)
-
-
Japan
-
Honshu
-
Iwate Japan (1)
-
-
-
Korea (1)
-
-
Himalayas
-
Nanga Parbat (1)
-
-
Indian Peninsula
-
India
-
Khetri India (1)
-
Rajasthan India (1)
-
-
Jammu and Kashmir
-
Nanga Parbat (1)
-
-
Pakistan (1)
-
-
Middle East
-
Iran (1)
-
Iraq (2)
-
Zagros (2)
-
-
Sri Lanka (1)
-
Western Transbaikalia (1)
-
-
Atlantic Ocean
-
North Atlantic
-
Gulf of Mexico (2)
-
North Sea
-
Snorre Field (1)
-
-
-
-
Australasia
-
Australia
-
Queensland Australia
-
Cloncurry mining district (2)
-
Mount Isa Inlier (4)
-
-
Western Australia
-
Kalgoorlie Australia (1)
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Kambalda Australia (1)
-
-
-
-
brines (3)
-
Canada
-
Eastern Canada
-
Maritime Provinces
-
New Brunswick
-
Gloucester County New Brunswick
-
Bathurst mining district (1)
-
-
-
Nova Scotia
-
Yarmouth County Nova Scotia
-
Yarmouth Nova Scotia (1)
-
-
-
-
Meguma Terrane (1)
-
Newfoundland and Labrador
-
Newfoundland (1)
-
-
Ontario
-
Sudbury Basin (1)
-
Sudbury District Ontario (1)
-
Sudbury igneous complex (1)
-
-
Quebec
-
Abitibi County Quebec
-
Val d'Or Quebec (1)
-
-
-
-
Western Canada
-
Manitoba
-
Bernic Lake (1)
-
Tanco Pegmatite (1)
-
-
Northwest Territories
-
Yellowknife Northwest Territories (1)
-
-
-
-
carbon
-
C-13/C-12 (6)
-
-
Cenozoic
-
Quaternary
-
Pleistocene (1)
-
-
Tertiary
-
Neogene
-
Miocene
-
Stevens Sandstone (2)
-
upper Miocene (2)
-
-
Pliocene (2)
-
-
Paleogene
-
Eocene (2)
-
Oligocene
-
Frio Formation (2)
-
-
-
-
-
clay mineralogy (6)
-
crust (3)
-
crystal chemistry (2)
-
crystal growth (6)
-
crystal structure (1)
-
data processing (1)
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deformation (5)
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diagenesis (25)
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economic geology (14)
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energy sources (1)
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Eurasia (1)
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Europe
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Alps
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Western Alps (1)
-
-
Central Europe
-
Germany
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Eifel (1)
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-
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Fennoscandian Shield (1)
-
Lapland
-
Lapland Finland (1)
-
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Pyrenees (1)
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Rhenish Schiefergebirge
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Eifel (1)
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Southern Europe
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Iberian Peninsula
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Iberian Massif (1)
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Spain
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Basque Provinces Spain
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Guipuzcoa Spain (1)
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Galicia Spain
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albitization
Tracking mineral evolution and element mobility during albitisation and subsequent kaolinisation of phyllite rocks: A case study from the Verrucano of Monti Pisani, Tuscany, Italy
Lithofacies, depositional, and diagenetic controls on the reservoir quality of the Mississippian mixed siliciclastic-carbonate system, eastern Anadarko Basin, Oklahoma, USA
Large-Scale Fluid Transfer between Mantle and Crust during Supercontinent Amalgamation and Disruption
Degradation of fracture porosity in sandstone by carbonate cement, Piceance Basin, Colorado, USA
Role of micropores, mass transfer, and reaction rate in the hydrothermal alteration process of plagioclase in a granitic pluton
Textural and mineral-chemistry constraints on columbite-group minerals in the Penouta deposit: evidence from magmatic and fluid-related processes
Abstract: The Vedder (Oligocene) and Kreyenhagen (Eocene) sandstones at the Greeley oil field consist of arkosic to subarkosic arenites and wackes deposited in shallow marine environments. Burial depths of the Vedder sandstones exceed 3150 m and the reservoir temperature is 124°C. The Kreyenhagen sandstones are buried to greater than 3920 m and the reservoir temperature is estimated to be c. 135°C. These sandstones are currently at or very near their deepest burial depths. The textural relationships of the diagenetic minerals suggest syndepositional formation of glauconite, phosphate and pyrite, followed by early precipitation of pore-lining clay coatings and carbonate cements along with framework-grain fracturing and possibly dissolution. With increasing burial, dissolution of the framework grains continued, accompanied by the albitization of feldspars, the formation of K-feldspar and quartz overgrowths, the precipitation of kaolinite and other clays and possibly the precipitation of late carbonate cements. Finally, hydrocarbon migration and the formation of pyrite occurred during late diagenesis. Porosity preservation and reservoir quality are primarily the result of plagioclase dissolution occurring as the strata approached their current burial depths. Mass balance calculations indicate the significant export of aluminium out of the sands. Thus secondary porosity produced by plagioclase dissolution has replaced the primary porosity destroyed by compaction, and now accounts for the majority of the porosity in these rocks.