Popis: |
The surficial geology represented in this map has been prepared at 1:50 000 scale and published at 1:100 000 scale. Surficial glacial deposits cover 100% of the map area. Till (units Tb, v, p, d, r, x) deposits cover 41% of the map area. Lacustrine (units Lp, b, x) deposits cover 24%, colluvial deposits (units Cx, z) cover 16%, alluvial and eolian deposits (units Ap, f, x) cover 4%, and glaciofluvial sediments (units Gp, d, f, x) cover 15% of the surficial deposits and includes prominent glaciofluvial terraces along the Mackenzie River. This map is underlain by Devonian limestone (Nahanni Formation) shale, mudstone, and siltstone (Fort Simpson, Trout River, and Redknife formations) and Cretaceous shale and siltstone; small bedrock exposures are visible along slopes incised by channels, and landslide headwalls too small to map. |