Carcajou canyon

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The southwest quadrant of Carcajou Canyon map area (NTS 96-D) lies within the mountainous Canyon and Backbone ranges of the eastern Mackenzie Mountains, Northwest Territories. Widespread exposures in the Mackenzie Mountains include siliciclastic and carbonate strata ranging from Neoproterozoic to Devonian. These strata have been deformed by northwest- to southeast-trending folds and contractional faults associated with Cordilleran deformation. A pre-Cordilleran set of approximately north-trending extensional faults are preserved within Proterozoic and Cambrian strata, and were locally reactivated by Cordilleran deformation. Cryogenian igneous activity resulted in the emplacement of gabbroic sills and dykes into strata of the Mackenzie Mountains Supergroup. A major unconformity between Proterozoic (Cryogenian) and Cambrian strata represents a significant gap in the local geological record
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