Abstract: The Gladstone Creek map area covers the central Ruby Range. This part of the Ruby Range is characterized by rugged peaks up to 2200 m, and broad undulating plateaus above 1500 m, drained by deep U-shaped valleys running roughly east-west through the map area. The majority of the map area drains west into Kluane Lake via Gladstone Creek in the south, and Raft Creek in the north. Isaac Creek and Albert Creek drain the east margin of the map area. Thick deposits of till, glaciolacustrine, and glaciofluvial sediments occur in valley bottoms. Incising through these sediments are modern creeks, exposing thick stratigraphic sequences. All but the gentlest slopes are covered by colluvium derived from weathered bedrock and till. The highest surfaces are composed of bedrock, or weathered bedrock where slopes are more stable.

Authors: Cronmiller, D., Ward, B. and Bond, J.D.

Map Scale: 1 : 50000

NTS Mapsheet(s): 115G07, 115G08

Citation: Cronmiller, D., Ward, B. and Bond, J.D., 2018. Surficial geology of Gladstone Creek (NTS 115G/8 and part of 115G/7). Yukon Geological Survey, Open File 2018-20, scale 1:50000.

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