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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 (2)
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British Columbia (1)
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Canadian Rocky Mountains (1)
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Saskatchewan (1)
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North America
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Rocky Mountains
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Canadian Rocky Mountains (1)
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Southern Rocky Mountains (1)
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commodities
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metal ores
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lead ores (1)
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lead-zinc deposits (1)
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zinc ores (1)
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fossils
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Invertebrata
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Arthropoda
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Trilobitomorpha
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Trilobita (1)
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geologic age
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Paleozoic
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Cambrian
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Lower Cambrian (1)
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Middle Cambrian
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Burgess Shale (1)
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Primary terms
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Canada
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Western Canada
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Alberta (2)
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British Columbia (1)
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Canadian Rocky Mountains (1)
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Saskatchewan (1)
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Invertebrata
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Arthropoda
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Trilobitomorpha
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Trilobita (1)
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metal ores
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lead ores (1)
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lead-zinc deposits (1)
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zinc ores (1)
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North America
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Rocky Mountains
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Canadian Rocky Mountains (1)
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Southern Rocky Mountains (1)
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Paleozoic
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Cambrian
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Lower Cambrian (1)
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Middle Cambrian
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Burgess Shale (1)
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sea-level changes (1)
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sedimentary rocks
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carbonate rocks (2)
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stratigraphy (1)
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sedimentary rocks
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sedimentary rocks
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carbonate rocks (2)
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Waputik Member
Birth, growth and death of the Middle Cambrian Cathedral carbonate lithosome, Southern Rocky Mountains
Multi-Segmented Arthropods from the Middle Cambrian of British Columbia (Canada)
Systematics and biostratigraphy of a new trilobite fauna collected from the subsurface Earlie Formation (Wuliuan Stage, Miaolingian Series, Cambrian) in southwestern Saskatchewan
ABSTRACT Lower to Middle Cambrian strata, well exposed in imbricated westward-dipping thrust sheets of the southern Canadian Rockies, host a range of geologic features from famous fossil lagerstätten to economically important ore deposits. This paper describes six localities in the Front and Central ranges west of Calgary that record tectonic, sedimentologic, and biologic events during deposition of the lower to mid-Sauk Megasequence. At the Mount Yamnuska and Castle Mountain viewpoints, Middle Cambrian platformal carbonate sections are well exposed. These were preceded by thick, siliciclastic-dominated, shallow-marine deposits of the Gog Group, which form a dramatic geologic backdrop to Lake Louise. Farther west, a platform-to-basin facies transition is recorded in the vicinity of Field, British Columbia. Pb-Zn mineralization and dolomitization are evident near or at this facies transition at the Kicking Horse Mine in Yoho National Park, and on Fossil Ridge as seen from the Emerald Lake viewpoint. A hike to the famous Trilobite Beds of Mount Stephen offers opportunity for first-hand examination of the Burgess Shale biota and associated unusual mineralogic and geologic features including anomalously Mg-rich mudstone, carbonate mounds, and apparent syndepositional faulting, dilational cracks, brine seeps, and mud volcanism.