Neoproterozoic and early Paleozoic correlations in the western Ogilvie Mountains, Yukon
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Strauss, J. V.
Cox, G. M.
Halverson, G. P.
Roots, C. F.
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CitationMacdonald, F. A., E. F. Smith, J. V. Strauss, G. M. Cox, G. P. Halverson, and C. F. Roots. Neoproterozoic and early Paleozoic correlations in the western Ogilvie Mountains, Yukon. Yukon Exploration and Geology (2010): 161-182.
AbstractContinued investigations of sedimentary units in the Tatonduk and Coal Creek inliers of the western Ogilvie Mountains have resulted in a refinement of the regional Neoproterozoic and early Paleozoic stratigraphy. The proposed correlations simplify Yukon stratigraphic nomenclature and promote synthesis of geological data. Strata of the Fifteenmile, Rapitan and Hay Creek groups, as well as the upper Windermere Supergroup are present in both inliers. Prominent unconformities within the Fifteenmile Group, and between the Windermere Supergroup and the variable overlying Paleozoic stratigraphy, represent at least three distinct tectonic events and basin-forming episodes. We propose redefinition of the Fifteenmile Group, abandonment of the Tindir Group, and recognition of strata equivalent to the Coates Lake Group and Mackenzie Mountains supergroup. This refined nomenclature across the Ogilvie, Wernecke and Mackenzie mountains is a step toward enhanced regional correlation of exposures in the northern Cordillera and Proterozoic inliers of the western Arctic.
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