Sedimentary exhalative (sedex) zinc-lead-silver deposits, northern Canadian Cordillera

CIM Bulletin, Vol. 75, No. 840, 1982
R.C. CARNE and R.J. CATHRO, Archer, Cathro & Associates (1981) Limited, Vancouver, B.C.
Abstract Most of the recent large discoveries of zinc, lead and silver in Western Canada are Paleozoic-aged stratiform deposits that occur within the limits of the tectonic sub-province of the Canadian Cordillera known as Selwyn Basin. Bounded on either side by coeval carbonate platforms, Selwyn Basin trends northwest for 1300 km from northeast British Columbia to Alaska. Paleozoic rocks of Selwyn Basin consist primarily of chert, shale and coarser-grained clastic sedimentary rocks with minor volcanic rocks.
Keywords: Mineral exploration, Sedimentary deposits, Exhalative deposits, Zinc deposits, Lead deposits, Silver deposits, Cordillera, Selwyn Basin, Road River Formation, Black Clastic Group, Anvil camp, Howards Pass camp, Macmillan Pass camp, Gataga camp, Mineralization.
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