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NARROW
GeoRef Subject
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all geography including DSDP/ODP Sites and Legs
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Arctic Ocean (1)
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Arctic region
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Greenland
-
West Greenland (1)
-
-
-
Atlantic Ocean
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North Atlantic
-
Frobisher Bay (11)
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Baffin Bay (1)
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Canada
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Labrador
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Kiglapait (1)
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Nain Massif (2)
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Newfoundland (28)
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Ontario
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Manitoulin District Ontario
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Manitoulin Island (1)
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Quebec
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Anticosti Island (1)
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Saguenay County Quebec
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Schefferville Quebec (1)
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Hudson Bay (2)
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Labrador Trough (7)
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Mackenzie Mountains (1)
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Nunavut
-
Baffin Island (20)
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Southampton Island (1)
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Ungava Bay (7)
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Torngat Mountains (9)
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Ungava (5)
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Western Canada
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Manitoba (1)
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Northwest Territories (14)
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Hudson Bay Basin (1)
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North America
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Canadian Shield
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Churchill Province
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Rae Province (2)
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Makkovik Province (1)
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Nain Province (7)
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Superior Province (2)
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Great Plains
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Northern Great Plains (1)
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North American Craton (1)
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United States
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Cincinnati Arch (1)
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commodities
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diamond deposits (1)
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gems (3)
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metal ores
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copper ores (2)
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iron ores (1)
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nickel ores (1)
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silver ores (1)
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mineral deposits, genesis (3)
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mineral exploration (3)
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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 (1)
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C-14 (9)
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chemical ratios (1)
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halogens (1)
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isotope ratios (7)
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isotopes
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radioactive isotopes
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Al-26 (1)
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Be-10 (2)
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C-14 (9)
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Pb-206/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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B-11/B-10 (1)
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C-13/C-12 (1)
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Hf-177/Hf-176 (1)
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Nd-144/Nd-143 (2)
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O-18/O-16 (4)
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Pb-206/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 (3)
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metals
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alkaline earth metals
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beryllium
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Be-10 (2)
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strontium
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Sr-87/Sr-86 (3)
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aluminum
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Al-26 (1)
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cobalt (1)
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gold (1)
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hafnium
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Hf-177/Hf-176 (1)
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lead
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Pb-206/Pb-204 (1)
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Pb-208/Pb-204 (1)
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platinum group (2)
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precious metals (1)
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rare earths
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neodymium
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Nd-144/Nd-143 (2)
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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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-
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oxygen
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O-18/O-16 (4)
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fossils
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Chordata
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Vertebrata (1)
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Graptolithina (1)
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Invertebrata
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Articulata
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Porifera
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Vermes
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Plantae
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Pterobranchia (1)
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geochronology methods
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geologic age
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Tertiary
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Precambrian
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minerals
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carbonates
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phosphates
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framework silicates
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zircon group
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sheet silicates
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chlorite group
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mica group
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biotite (1)
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phlogopite (3)
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sulfates
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sulfides
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pyrrhotite (1)
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Primary terms
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absolute age (28)
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Arctic Ocean (1)
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Arctic region
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Greenland
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West Greenland (1)
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Atlantic Ocean
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North Atlantic
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Frobisher Bay (11)
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Hudson Bay (2)
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Hudson Strait (10)
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Labrador Basin (1)
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boron
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Canada
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Arctic Archipelago (10)
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Ontario
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Quebec
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Anticosti Island (1)
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Saguenay County Quebec
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Hudson Bay (2)
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Labrador Trough (7)
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Mackenzie Mountains (1)
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Nunavut
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Baffin Island (20)
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Southampton Island (1)
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Ungava Bay (7)
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Torngat Mountains (9)
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Ungava (5)
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Western Canada
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Manitoba (1)
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Northwest Territories (14)
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-
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carbon
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C-13/C-12 (1)
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C-14 (9)
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-
Cenozoic
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Quaternary
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Holocene
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lower Holocene (3)
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Pleistocene
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Lake Agassiz (1)
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upper Pleistocene
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Weichselian
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upper Weichselian
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Younger Dryas (1)
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Wisconsinan
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upper Wisconsinan (2)
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upper Quaternary (4)
-
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Tertiary
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Neogene
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Miocene
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lower Miocene (1)
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Paleogene
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Oligocene
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upper Oligocene (1)
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chemical analysis (1)
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Chordata
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Vertebrata (1)
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clay mineralogy (1)
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climate change (3)
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continental drift (1)
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glacial geology (17)
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Graptolithina (1)
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igneous rocks
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carbonatites (1)
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plutonic rocks
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tonalite (1)
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gabbros (3)
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granites
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monzogranite (1)
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granodiorites (1)
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lamproite (2)
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lamprophyres (2)
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volcanic rocks
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basalts (1)
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rhyodacites (1)
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-
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intrusions (9)
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Invertebrata
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Brachiopoda
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Articulata
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Orthida (1)
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-
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Bryozoa (1)
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Cnidaria
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Anthozoa (2)
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Bivalvia
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Nuculanidae (1)
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Cephalopoda (1)
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Gastropoda (1)
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Porifera
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Stromatoporoidea (1)
-
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Protista
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Foraminifera (2)
-
-
Vermes
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scolecodonts (1)
-
-
-
isotopes
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radioactive isotopes
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Al-26 (1)
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Be-10 (2)
-
C-14 (9)
-
Pb-206/Pb-204 (1)
-
Pb-208/Pb-204 (1)
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Sm-147/Nd-144 (1)
-
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stable isotopes
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B-11/B-10 (1)
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C-13/C-12 (1)
-
Hf-177/Hf-176 (1)
-
Nd-144/Nd-143 (2)
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O-18/O-16 (4)
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Pb-206/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 (3)
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mantle (1)
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metal ores
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copper ores (2)
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gold ores (1)
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iron ores (1)
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nickel ores (1)
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silver ores (1)
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zinc ores (1)
-
-
metals
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alkaline earth metals
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beryllium
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Be-10 (2)
-
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strontium
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Sr-87/Sr-86 (3)
-
-
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aluminum
-
Al-26 (1)
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cobalt (1)
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gold (1)
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hafnium
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Hf-177/Hf-176 (1)
-
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lead
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Pb-206/Pb-204 (1)
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Pb-208/Pb-204 (1)
-
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platinum group (2)
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precious metals (1)
-
rare earths
-
neodymium
-
Nd-144/Nd-143 (2)
-
Sm-147/Nd-144 (1)
-
-
samarium
-
Sm-147/Nd-144 (1)
-
-
-
-
metamorphic rocks
-
amphibolites (1)
-
gneisses
-
orthogneiss (3)
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tonalite gneiss (1)
-
-
lapis lazuli (2)
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marbles (4)
-
metacarbonate rocks (2)
-
metaigneous rocks
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metagabbro (1)
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metagranite (1)
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metasedimentary rocks
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metaconglomerate (1)
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metavolcanic rocks (1)
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quartzites (1)
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schists
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greenschist (1)
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metamorphism (14)
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metasomatism (1)
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mineral deposits, genesis (3)
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mineral exploration (3)
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minerals (2)
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North America
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Canadian Shield
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Churchill Province
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Rae Province (2)
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Makkovik Province (1)
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Nain Province (7)
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Superior Province (2)
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Great Plains
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Northern Great Plains (1)
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North American Craton (1)
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ocean circulation (1)
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oxygen
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paleoecology (2)
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paleogeography (2)
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Paleozoic
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Cambrian (1)
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Ordovician
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Upper Ordovician
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Caradocian (1)
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Cincinnatian (1)
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Hirnantian (1)
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Katian (2)
-
-
-
-
palynomorphs
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acritarchs (1)
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Chitinozoa (2)
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miospores (2)
-
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paragenesis (1)
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permafrost (2)
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petroleum (3)
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petrology (4)
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Plantae
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algae
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diatoms (1)
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-
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plate tectonics (5)
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Precambrian
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Archean
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Neoarchean (1)
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Paleoarchean (1)
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-
Sokoman Formation (2)
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upper Precambrian
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Proterozoic
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Paleoproterozoic
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Aphebian (1)
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-
-
-
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Pterobranchia (1)
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remote sensing (4)
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sea-level changes (2)
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sedimentary petrology (1)
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sedimentary rocks
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chemically precipitated rocks
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clastic rocks
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sandstone (1)
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shale (1)
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sedimentary structures
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bedding plane irregularities
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planar bedding structures
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sedimentation (7)
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slope stability (1)
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soils (3)
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United States
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weathering (5)
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sedimentary rocks
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sedimentary rocks
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carbonate rocks
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limestone
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dolomitic limestone (1)
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chemically precipitated rocks
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taconite (1)
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clastic rocks
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conglomerate (2)
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sandstone (1)
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shale (1)
-
-
-
-
sedimentary structures
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sedimentary structures
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bedding plane irregularities
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scour marks (1)
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planar bedding structures
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laminations (1)
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-
-
sediments
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sediments
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clastic sediments
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boulders (1)
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drift (5)
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erratics (3)
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gravel (1)
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ooze (1)
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pebbles (2)
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quartz sand (1)
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sand (2)
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marine sediments (3)
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peat (1)
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soils
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soils (3)
-
Permafrost thaw sensitivity prediction using surficial geology, topography, and remote-sensing imagery: a data-driven neural network approach
Accessory phase perspectives for ore-forming processes and magmatic sulphide exploration in the Labrador Trough, northern Quebec, Canada
Marine record of late-glacial readvance and last recession of Laurentide ice, inner Frobisher Bay, Baffin Island, Arctic Canada
Boulder-strewn flats in a high-latitude macrotidal embayment, Baffin Island: geomorphology, formation, and future stability
Ancestral trans–North American Bell River system recorded in late Oligocene to early Miocene sediments in the Labrador Sea and Canadian Great Plains
Extending the record of the Lomagundi–Jatuli carbon isotope excursion in the Labrador Trough, Canada
Contact-style magmatic sulphide mineralisation in the Labrador Trough, northern Quebec, Canada: implications for regional prospectivity
Abstract Submarine slope failures in the nearshore waters of SE Baffin Island, eastern Canadian Arctic, present a challenge to coastal and seabed development. Submarine slope failures are a known geohazard in fjords in Norway, Chile, Alaska, British Columbia and elsewhere, but have received little attention in the coastal waters of Arctic Canada. Over the past 6 years, there has been a rapid expansion of multibeam echosounder (MBES) mapping in Canadian Arctic fjords, leading to the discovery of many submarine slope failures. One area that has been mapped in detail is inner Frobisher Bay. This macrotidal, seasonally ice-covered, semi-enclosed embayment has a glacially scoured bed, ice-contact deposits, including recessional moraines, and stratified glaciomarine and post-glacial silts and clays with abundant dropstones. The prevalence of submarine slope failures in the inner bay (one per 20 km 2 ) appears to be anomalous. To date, MBES mapping has imaged at least 246 failures, ranging in size from 0.007 to 2.1 km 2 and all within the glaciomarine and post-glacial succession. Morphometric analysis of these features based on high-resolution MBES bathymetry provides an insight into their spatial distribution, relative chronology, triggers and flow characteristics; factors essential to understanding the mechanisms underlying their abundance in this Canadian Arctic fjord.
Two Neoarchean tectonothermal events on the western edge of the North Atlantic Craton, as revealed by SIMS dating of the Saglek Block, Nain Province, Labrador
Extreme δ 18 O signatures in zircon from the Saglek Block (North Atlantic Craton) document reworking of mature supracrustal rocks as early as 3.5 Ga
Metacarbonate-hosted Spinel On Baffin Island, Nunavut, Canada: Insights Into the Origin of Gem Spinel and Cobalt-Blue Spinel
Petrography, geochemistry, and Nd isotope systematics of metaconglomerates and matrix-rich metasedimentary rocks: implications for the provenance and tectonic setting of the Labrador Trough, Canada
The stratigraphic position and the age of the Ordovician organic-rich intervals in the northern Hudson Bay, Hudson Strait, and Foxe basins—evidence from graptolites
Upper Ordovician conodont biostratigraphy and revised lithostratigraphy and geological map, Akpatok Island, Ungava Bay, Nunavut
Reflectance Spectroscopy and Hyperspectral Imaging of Sapphire-bearing Marble from the Beluga Occurrence, Baffin Island, Nunavut
Origin of Scapolite-hosted Sapphire (corundum) Near Kimmirut, Baffin Island, Nunavut, Canada
Morphometrics indicates giant Ordovician macluritid gastropods switched life habit during ontogeny
Abstract Iceberg discharges into the North Atlantic are important sources of fresh water, and the sediments they deposit can provide constraints on which sectors of different ice sheets were contributing icebergs. 40 Ar/ 39 Ar ages of sand-sized hornblende grains provide useful constraints on IRD (ice-rafted detritus) source areas. Heinrich events are intervals of anomalously high percentages of IRD in marine sediment cores of the North Atlantic IRD belt. In contrast to the others, Heinrich event 3 (H3) records a significantly lower flux of IRD. This study compares 40 Ar/ 39 Ar hornblende age distributions from the interval around and including H3 in giant gravity core EW9303-GGC31 from Orphan Knoll, in the southern part of the Labrador Sea, with piston core V28-82 in the eastern part of the North Atlantic IRD belt. Collectively, these results confirm that H3 represents a Hudson Strait IRD event, but that it was smaller than during H1, H2, H4 and H5, and therefore comprises only a small fraction of the detritus at the eastern North Atlantic location of V28-82. These results support a previously published interpretation of across-strait ice flow during H3 at Hudson Strait. Supplementary material: Appendix 1 is 40 Ar/ 39 Ar data from core EW9303-GGC31; Appendix 2 is grain counts across H3 from core V28-82; Appendix 3 is 40 Ar/ 39 Ar data from core V28-82; these are available at http://www.geolsoc.org.uk/SUP18631 .