Tintina Trench

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The Tintina Trench is a large northwest-southeast valley extending through Yukon, Canada. It is a prominent topographic lineament along the northern extension of the Northern Rocky Mountain Trench in British Columbia and it has its origin from the Tintina Fault.[1]

It was named by R.G. McConnell of the Geological Survey of Canada in 1904 after an indigenous word for “chief.”

The Tintina Trench crosses the Continental Divide between the Pacific Ocean and the Arctic Ocean near Finlayson lake, between Ross River and Watson Lake. The northwestern part of the valley is occupied by the Yukon River before it flows northwestward into Alaska. The central part of the valley is occupied by the Pelly River before its confluence with the Yukon River at Fort Selkirk. The southern Tintina Trench is drained by the Liard River which first flows south-eastward, then eastward and finally merges into the Mackenzie River at Fort Simpson, NWT where the combined waters turn back north for the Mackenzie's long flow to the Arctic Ocean.

Communities and features of the Trench include the following:


The location of the Tintina Trench corresponds with recessive weathering rocks which have been deformed by 450 km of right lateral faulting along the Tintina Fault.


External links[edit]

  1. ^ Archived 2016-03-05 at the Wayback Machine