Surficial Geology of Seagull Creek (parts of NTS 105F/10 and 7), Yukon (1:50,000 scale)

Surficial Geology of Seagull Creek (parts of NTS 105F/10 and 7), Yukon (1:50,000 scale) Physiography: The Seagull Creek map area includes the upper two-thirds of the Seagull Creek drainage area. The creek rises at a high divide (1372 m) in the Pelly Mountains and flows southsoutheast for approximately 30 km in a broad, U-shaped valley before joining the McConnell River (1067 m). The drainage area contains summits of up to 2162 metres elevation with numerous cirques on north and east-facing aspects. The evidence of glaciation in this landscape is ubiquitous. Most high peaks have been eroded into knife-edge aretes or horn peaks and cirque basins are currently occupied by active or extinct rock glaciers, tarn lakes, or glacial debris. Valley sides have been over-steepened by glacial erosion and are susceptible to mass movements. 2024-07-30 Government of Yukon geology@gov.yk.ca Science and TechnologyYukon Geological SurveyYukon Data MapHTML https://data.geology.gov.yk.ca/reference/42292 Original metadata (https://open.yukon.ca)HTML https://open.yukon.ca/data/datasets/surficial-geology-seagull-creek-parts-nts-105f10-and-7-yukon-150000-scale

Physiography: The Seagull Creek map area includes the upper two-thirds of the Seagull Creek drainage area. The creek rises at a high divide (1372 m) in the Pelly Mountains and flows southsoutheast for approximately 30 km in a broad, U-shaped valley before joining the McConnell River (1067 m). The drainage area contains summits of up to 2162 metres elevation with numerous cirques on north and east-facing aspects. The evidence of glaciation in this landscape is ubiquitous. Most high peaks have been eroded into knife-edge aretes or horn peaks and cirque basins are currently occupied by active or extinct rock glaciers, tarn lakes, or glacial debris. Valley sides have been over-steepened by glacial erosion and are susceptible to mass movements.

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