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NARROW
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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Congo (1)
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Gabon (1)
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Southern Africa
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Barberton greenstone belt (1)
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Arctic region
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Greenland
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Asia
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Far East
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China
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Himalayas
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Middle East
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Canada
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Western Canada
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chemical ratios (1)
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hydrogen
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isotope ratios (9)
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isotopes
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Nd-144/Nd-143 (2)
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O-18/O-16 (5)
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S-34/S-32 (4)
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large-ion lithophile elements (1)
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osmium
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rare earths
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rhenium (1)
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zinc (1)
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nitrogen (1)
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oxygen
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O-18/O-16 (5)
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selenium (1)
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Invertebrata
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geochronology methods
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geologic age
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middle Holocene (1)
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Mazama Ash (4)
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upper Quaternary (1)
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Tertiary
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Paleogene
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Absaroka Supergroup (1)
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Paleocene
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Lebo Member (1)
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lower Paleocene (1)
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middle Paleocene (1)
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Ravenscrag Formation (1)
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upper Paleocene
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Tiffanian (1)
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Renova Formation (2)
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Dalradian (1)
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Mesozoic
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Cretaceous
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Blairmore Group (4)
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Lower Cretaceous
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Albian
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upper Albian (1)
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Bear River Formation (1)
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Berriasian (1)
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Blackleaf Formation (3)
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Cadomin Formation (2)
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Clearwater Formation (1)
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Gething Formation (1)
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Kootenay Formation (2)
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Mannville Group (1)
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Mowry Shale (1)
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Middle Cretaceous (3)
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Upper Cretaceous
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Bearpaw Formation (2)
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Cardium Formation (1)
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Cenomanian (2)
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Eagle Sandstone (1)
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Elkhorn Mountains Volcanics (1)
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Frontier Formation (1)
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Hell Creek Formation (1)
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Horseshoe Canyon Formation (2)
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Judith River Formation (2)
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Milk River Formation (2)
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Oldman Formation (1)
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Saint Mary River Formation (1)
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Two Medicine Formation (2)
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Jurassic
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Fernie Formation (2)
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Lower Jurassic
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Nordegg Member (1)
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Upper Jurassic
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Kimmeridgian
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upper Kimmeridgian (1)
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Morrison Formation (1)
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Swift Formation (1)
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Mist Mountain Formation (2)
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Triassic
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Lower Triassic
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Permian-Triassic boundary (1)
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Middle Triassic
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Doig Formation (1)
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Montney Formation (3)
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Upper Triassic
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Norian (1)
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-
-
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MIS 5 (1)
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Paleozoic
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Cambrian
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Lower Cambrian
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Gog Group (1)
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Middle Cambrian
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Burgess Shale (10)
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Pioche Shale (1)
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Carboniferous
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Lower Mississippian
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Banff Formation (1)
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Lodgepole Formation (1)
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Upper Carboniferous
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Devonian
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Upper Devonian
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Famennian (4)
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Jefferson Group (1)
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Palliser Formation (1)
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Exshaw Formation (1)
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Ishbel Group (1)
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lower Paleozoic (1)
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middle Paleozoic (1)
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Ordovician
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Lower Ordovician (1)
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Permian
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Ranger Canyon Formation (1)
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Upper Permian
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Permian-Triassic boundary (1)
-
-
-
Sauk Sequence (1)
-
Shoo Fly Complex (1)
-
Silurian
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Middle Silurian
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Roberts Mountains Formation (1)
-
-
-
Tippecanoe Sequence (1)
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upper Paleozoic
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Bakken Formation (1)
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Kaskaskia Sequence (1)
-
-
-
Phanerozoic (3)
-
Precambrian
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Archean
-
Neoarchean (1)
-
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Johnnie Formation (1)
-
Kingston Peak Formation (1)
-
Prichard Formation (1)
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Purcell System (4)
-
upper Precambrian
-
Proterozoic
-
Mesoproterozoic
-
Aldridge Formation (1)
-
Altyn Limestone (1)
-
Belt Supergroup (13)
-
Bonner Formation (1)
-
Helena Formation (1)
-
Helikian (1)
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Missoula Group (1)
-
Ravalli Group (2)
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Wallace Formation (1)
-
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Miette Group (2)
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Neoproterozoic
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Cryogenian (1)
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Horsethief Creek Group (1)
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Paleoproterozoic (1)
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Windermere System (2)
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igneous rocks
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igneous rocks
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plutonic rocks
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diorites (3)
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granites
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leucogranite (1)
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syenites
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nepheline syenite (1)
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volcanic rocks
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andesites (2)
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basalts
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alkali basalts
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glasses (1)
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pyroclastics
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volcanic ash (1)
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metamorphic rocks
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metamorphic rocks
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gneisses
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metasedimentary rocks
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turbidite (5)
-
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minerals
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oxides
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cassiterite (1)
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magnetite (3)
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spinel group (1)
-
-
phosphates
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monazite (2)
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xenotime (1)
-
-
silicates
-
chain silicates
-
amphibole group
-
clinoamphibole
-
hornblende (1)
-
-
-
-
framework silicates
-
feldspar group
-
alkali feldspar
-
K-feldspar (1)
-
sanidine (1)
-
-
-
silica minerals
-
opal (2)
-
-
sodalite group
-
sodalite (1)
-
-
-
orthosilicates
-
nesosilicates
-
garnet group (3)
-
zircon group
-
zircon (19)
-
-
-
-
sheet silicates
-
illite (3)
-
mica group
-
biotite (1)
-
celadonite (1)
-
muscovite (2)
-
-
-
-
sulfates (1)
-
sulfides
-
pyrite (1)
-
pyrrhotite (1)
-
-
-
Primary terms
-
absolute age (39)
-
Africa
-
Central Africa
-
Congo (1)
-
Gabon (1)
-
-
Southern Africa
-
Barberton greenstone belt (1)
-
-
-
Arctic region
-
Greenland
-
Peary Land (1)
-
-
-
Asia
-
Far East
-
China
-
Guizhou China (1)
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Yunnan China (1)
-
-
-
Himalayas
-
Lesser Himalayas (1)
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Zanskar Range (1)
-
-
Indian Peninsula
-
Jammu and Kashmir (1)
-
-
Middle East
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Turkey
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Menderes Massif (1)
-
-
-
Siberia (2)
-
-
bibliography (3)
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biogeography (3)
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bitumens (1)
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brines (1)
-
Canada
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Mackenzie Mountains (1)
-
Western Canada
-
Alberta
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Alberta Basin (2)
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Banff Alberta (1)
-
Calgary Alberta (2)
-
Dinosaur Provincial Park (1)
-
Drumheller Alberta (1)
-
-
British Columbia
-
Fernie Basin (1)
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Saanich Inlet (1)
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Vancouver Island
-
Victoria British Columbia (1)
-
-
-
Canadian Cordillera (15)
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Canadian Rocky Mountains (20)
-
Crowsnest Pass (1)
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Manitoba (1)
-
Northwest Territories (1)
-
Red Deer River (1)
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Saskatchewan (2)
-
Yukon Territory (2)
-
-
-
carbon
-
C-13/C-12 (3)
-
C-14 (11)
-
organic carbon (1)
-
-
Cenozoic
-
Quaternary
-
Cordilleran ice sheet (2)
-
Holocene
-
lower Holocene (1)
-
middle Holocene (1)
-
Neoglacial (1)
-
upper Holocene (1)
-
-
Mazama Ash (4)
-
Pleistocene
-
Lake Missoula (1)
-
upper Pleistocene
-
Weichselian
-
upper Weichselian
-
Younger Dryas (2)
-
-
-
Wisconsinan
-
upper Wisconsinan (1)
-
-
-
-
upper Quaternary (1)
-
-
Tertiary
-
lower Tertiary (1)
-
Neogene
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Pliocene
-
upper Pliocene (1)
-
-
-
Paleogene
-
Eocene
-
Absaroka Supergroup (1)
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lower Eocene (1)
-
-
Paleocene
-
Lebo Member (1)
-
lower Paleocene (1)
-
middle Paleocene (1)
-
Ravenscrag Formation (1)
-
upper Paleocene
-
Tiffanian (1)
-
-
-
Renova Formation (2)
-
-
-
-
Chordata
-
Vertebrata
-
Tetrapoda
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Mammalia (2)
-
Reptilia
-
Anapsida
-
Testudines (1)
-
-
Diapsida
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Kootenay National Park
The Paint Pots, Kootenay National Park, Canada — a natural acid spring analogue for Mars
New accelerator mass spectrometry radiocarbon ages for the Mazama tephra layer from Kootenay National Park, British Columbia, Canada
The Paint Pots, Kootenay National Park, British Columbia—acid spring water with extreme heavy-metal content
Specimens referred to Flumenoglacies from Kootenay National Park, ...
The Burgess Shale paleocommunity with new insights from Marble Canyon, British Columbia
Multi-Segmented Arthropods from the Middle Cambrian of British Columbia (Canada)
A new Burgess Shale–type assemblage from the “thin” Stephen Formation of the southern Canadian Rockies
Oxygen- and sulfur-isotope geochemistry of acidic groundwater discharge in British Columbia, Yukon, and District of Mackenzie, Canada
THE ICE RIVER COMPLEX, BRITISH COLUMBIA, IS PRECAMBRIAN BASEMENT
A. Location of study sites. B. Study sites in Yoho National Park. C. Study ...
CRETACEOUS STRATIGRAPHY OF THE GLACIER NATIONAL PARK AREA, NORTHWESTERN MONTANA
Locations from which hurdiid specimens are known. HCM=Holy Cross Mountains,...
Examples demonstrating two distinct ichnologic settings of Burgess Shale−ty...
Abstract The Cut Bank oil and gas field is in Glacier County, Montana, 50 miles east of Glacier National Park, and extends to within 3 miles of the Canadian border. It is 31 miles long and up to 10 miles wide. The field is on the west flank of the Sweetgrass arch. The structure is monoclinal and the regional dip is about 75 feet per mile slightly south of west. The trend of the producing area is parallel with the regional strike. It is still in an active stage of development and as of July 1, 1940, 506 oil wells, 78 gas wells, and 86 dry holes had been drilled, proving 40,000 acres for oil and 55,000 acres for gas production. Average daily oil production was about 11,000 barrels, which also represented the potential for the field, and daily gas withdrawal about 21 million cubic feet. Total oil production to July, 1940, was 18,645,500 barrels and total gas withdrawal 62,890 million cubic feet. Average well depth in the oil area is 2,950 feet. The discovery well, completed in 1926, sought a west extension of the Kevin-Sunburst field when it found a stray sand containing commercial amounts of gas above the objective horizon. Another well found oil lower structurally in the same sandstone in 1929, but active development of the oil field did not take place until 1932. The stray sand was first named the Darling, later renamed the Cut Bank, and is the main reservoir of oil and gas. The Upper Cretaceous Two Medicine, Eagle sandstone, and Colorado shale formations; the Lower Cretaceous Kootenai (lower Blairmore) formation; and the Upper Jurassic Ellis formation are penetrated. The Kootenai lies unconformably on the Ellis. The three producing zones lie in the lower 200 feet (lower third) of the Kootenai and are: the Moulton sand zone at the top, the Sunburst sand zone in the middle, and the Cut Bank sand at the base. The lower Cut Bank or principal producing sand rests unconformably on the Ellis shale. The Kootenai is a continental formation and the source of its sediments and that of the producing sands is believed to have been from the west and northwest from the erosion of a Jurassic landmass occupying the approximate position of the Purcell and Selkirk ranges in southern British Columbia and adjacent parts of Montana and Idaho, 160-300 miles from Cut Bank.
Abstract The Yellowstone Geoecosystem ( Smith and Siegel, 2000 ; Morgan, 2007 ) comprises an amazing diversity of geologic features that control the character and distribution of geothermal features and soils of this landscape. The underlying bedrock geology of Yellowstone National Park (YNP) includes: Precambrian basement along the northern margin of the Park, with both low-grade metasedimentary rocks (biotite-andalusite-staurolite schists, quartzites and banded iron formations) and late Archean granitoid rocks. Phanerozoic sedimentary rocks in the northwestern corner of the Park in the southern Gallatin Range, that includes notably the Mississippian Madison Limestone near Mammoth Hot Springs, and Cretaceous shales and sandstones of the Kootenai, Eagle, Frontier and Harebell formations, south of Gardiner. The voluminous Eocene Absaroka Volcanics dominantly consisting of andesitic flows, tuffs, volcaniclastic rocks and hypabyssal intrusions. The iconic caldera-forming eruptive rocks of the Tertiary Huckleberry Ridge Tuff (2.1 Ma), Mesa Falls Tuff (1.2 Ma), and Lava Creek Tuff (0.61 Ma) of dominantly rhyolitic composition, and the post-caldera rhyolites (Christansen, 2001). The surficial geology of YNP ( Good and Pierce, 1996 ) additionally involves complex interactions of glacial geology ( Pierce, 1979 ) and active tectonics ( Pierce et al., 2007 ; Smith references). Tertiary volcanism and associated hydrothermal activity are directly related to the elevated hot spot that formed the regional Snake River Plain-Yellowstone system ( Smith and Siegel, 2000 ). Yellowstone contains the greatest number and diversity of geothermal systems on the planet, yielding an extensive array of extreme high-temperature environments, many of which are colonized by microorganisms that play either