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Precambrian gneiss and late Proterozoic sedimentation in north-central British Columbia
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1984
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Sedimentary RecordPrecambrian GneissEngineeringProvenance (Geology)Precambrian GeologyGeographySedimentary GeologyGeologyEarth SciencesNorth-central British ColumbiaGneissic GraniteGeochronologySedimentologyEarth ScienceRegional GeologyIntegrated Stratigraphy
Research Article| April 01, 1984 Precambrian gneiss and late Proterozoic sedimentation in north-central British Columbia Carol A. Evenchick; Carol A. Evenchick 1Department of Geological Sciences, Queen's University, Kingston, Ontario K7L 3N6, Canada Search for other works by this author on: GSW Google Scholar Randall R. Parrish; Randall R. Parrish 2Geological Survey of Canada, 601 Booth Street, Ottawa, Ontario K1A OE8, Canada Search for other works by this author on: GSW Google Scholar Hubert Gabrielse Hubert Gabrielse 3Geological Survey of Canada, 100 West Render Street, Vancouver, British Columbia V6B 1R8, Canada Search for other works by this author on: GSW Google Scholar Author and Article Information Carol A. Evenchick 1Department of Geological Sciences, Queen's University, Kingston, Ontario K7L 3N6, Canada Randall R. Parrish 2Geological Survey of Canada, 601 Booth Street, Ottawa, Ontario K1A OE8, Canada Hubert Gabrielse 3Geological Survey of Canada, 100 West Render Street, Vancouver, British Columbia V6B 1R8, Canada Publisher: Geological Society of America First Online: 01 Jun 2017 Online ISSN: 1943-2682 Print ISSN: 0091-7613 Geological Society of America Geology (1984) 12 (4): 233–237. https://doi.org/10.1130/0091-7613(1984)12<233:PGALPS>2.0.CO;2 Article history First Online: 01 Jun 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn Email Permissions Search Site Citation Carol A. Evenchick, Randall R. Parrish, Hubert Gabrielse; Precambrian gneiss and late Proterozoic sedimentation in north-central British Columbia. Geology 1984;; 12 (4): 233–237. doi: https://doi.org/10.1130/0091-7613(1984)12<233:PGALPS>2.0.CO;2 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyGeology Search Advanced Search Abstract U-Pb analyses of zircons from gneissic granite in the Sifton and Deserters Ranges flanking the northern Rocky Mountain Trench in north-central British Columbia indicate crystallization ages of 1.85 b.y. and 728 m.y., respectively. Augen gneiss in the Sifton Ranges appears to be basement rock associated with a sequence of amphibolite, quartzite, schist, and carbonate thrust southerly over upper Proterozoic strata of the Ingenika Group. Gneissic granite in the Deserters Range is nonconformably overlain by pebble conglomerate and pure quartzite, in turn overlain by a thick sequence of amphibolite, schist, phyllite, gritty clastic rocks, carbonate, quartzite, and diamictite assigned to the upper Proterozoic Misinchinka Group. The Deserters data establish a probable maximum age for rocks of the Windermere Supergroup in the northern Rocky Mountains. The age and structural setting of these gneisses are similar to other gneisses of the Omineca Crystalline Belt of the Canadian Cordillera. This content is PDF only. Please click on the PDF icon to access. First Page Preview Close Modal You do not have access to this content, please speak to your institutional administrator if you feel you should have access.