Description

The map area spans the western edge of the old North American continent and the terranes that accreted to it in Mesozoic time, which together form a generally west-dipping structural stack, separated by layer-parallel thrust faults. Three major elements are represented: 1) tilted strata of the ancient North American margin (Cassiar Terrane), 2) overthrust rocks that originated as volcanic arcs and off-shore sediments (Yukon-Tanana Terrane), and 3) granitic bodes injected into this thickened crust after the Cordilleran orogeny.

Resources

Name	Format	Description	Link
Map	Unknown		https://data.geology.gov.yk.ca/reference/42254
Map	HTML		https://data.geology.gov.yk.ca/reference/42254
Map	HTML		https://data.geology.gov.yk.ca/reference/42254
Original metadata (https://open.yukon.ca)	HTML		https://open.yukon.ca/data/datasets/bedrock-geology-seagull-creek-105b3-southern-yukon-150000-scale
Original metadata (https://open.yukon.ca)	HTML		https://open.yukon.ca/data/datasets/bedrock-geology-seagull-creek-105b3-southern-yukon-150000-scale
Original metadata (https://open.yukon.ca)	HTML		https://open.yukon.ca/data/datasets/bedrock-geology-seagull-creek-105b3-southern-yukon-150000-scale

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