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NARROW
GeoRef Subject
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all geography including DSDP/ODP Sites and Legs
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Canada
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Western Canada
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Alberta
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Banff Alberta (1)
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British Columbia
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Queen Charlotte Islands (1)
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Graham Island (1)
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North America
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Juan de Fuca Strait (1)
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Pacific Ocean
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East Pacific
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Northeast Pacific (1)
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North Pacific
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Northeast Pacific (1)
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fossils
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borings (1)
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Cyclostomata (1)
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fungi (1)
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ichnofossils (1)
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Invertebrata
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Bryozoa (1)
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Mollusca
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Bivalvia (2)
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Cephalopoda
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Ammonoidea (1)
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Protista
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Foraminifera (1)
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microfossils
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Plantae
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algae (2)
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thallophytes (1)
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geologic age
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Cenozoic
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Quaternary
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Holocene (1)
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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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middle Miocene (1)
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Mesozoic
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Jurassic
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Lower Jurassic
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Toarcian (1)
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upper Liassic (1)
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Paleozoic
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Ishbel Group (1)
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Permian
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Guadalupian
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Wordian (1)
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Lower Permian
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Cisuralian
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Artinskian (1)
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Asselian (1)
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Sakmarian (1)
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Primary terms
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Canada
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Western Canada
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Alberta
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Banff Alberta (1)
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British Columbia
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Queen Charlotte Islands (1)
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-
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Cenozoic
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Quaternary
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Holocene (1)
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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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middle Miocene (1)
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ecology (1)
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fungi (1)
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ichnofossils (1)
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Invertebrata
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Bryozoa (1)
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Mollusca
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Bivalvia (2)
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Cephalopoda
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Ammonoidea (1)
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-
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Protista
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Foraminifera (1)
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-
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Mesozoic
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Jurassic
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Lower Jurassic
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Toarcian (1)
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upper Liassic (1)
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North America
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Juan de Fuca Strait (1)
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Pacific Ocean
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East Pacific
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Northeast Pacific (1)
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North Pacific
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Northeast Pacific (1)
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paleoecology (2)
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paleontology (2)
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Paleozoic
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Ishbel Group (1)
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Permian
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Guadalupian
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Wordian (1)
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Lower Permian
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Cisuralian
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Artinskian (1)
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Asselian (1)
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Sakmarian (1)
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palynomorphs (1)
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Plantae
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algae (2)
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sedimentary rocks
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clastic rocks
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conglomerate (1)
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sandstone (1)
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shale (1)
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siltstone (1)
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sedimentary structures
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biogenic structures
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banks (1)
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bioturbation (1)
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lebensspuren (1)
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sedimentation (1)
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stratigraphy (2)
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thallophytes (1)
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sedimentary rocks
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sedimentary rocks
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clastic rocks
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conglomerate (1)
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sandstone (1)
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shale (1)
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siltstone (1)
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sedimentary structures
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borings (1)
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sedimentary structures
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biogenic structures
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banks (1)
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bioturbation (1)
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lebensspuren (1)
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Abstract Pennsylvanian–Early Permian carbonate sedimentation in east-central British Columbia records a complex history of changing environments influenced by evolving palaeogeography and climate. Newly recognized tectonically controlled features affected the distribution and variability of carbonate associations, providing new interpretations for this portion of the NW coast of Pangea. Both a heterozoan (cool-water) and photozoan (warm-water) association were identified on either side of a palaeogeographical high. Cool-water carbonates were located outboard or to the west of this high, an area influenced by upwelling waters. Inboard of this high, a warm, protected sea developed at about 20°N palaeolatitude during the Asselian and Sakmarian. This configuration and palaeolatitude is similar to that of Baja California, Mexico and the Sea of Cortéz, providing a good modern analogue for these deposits where warm-water carbonates grow at latitudes otherwise dominated by cool-water deposits. The warm sea provided a place for a photozoan association to develop during the Early Permian when the low-latitude NW coast of Pangea was dominated by cool-water carbonates.