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Surficial geology, McCann Lake, Northwest Territories, NTS 75-G.: M183-1/466-2025E-PDF

"The McCann Lake map area lies in the Rae Province of the Canadian Shield. Quaternary deposits are extensive and thick, with bedrock outcrops scattered throughout. Till is extensively streamlined to the west-southwest by late deglacial ice flow from the Keewatin Ice Divide and is incised by west-southwest-flowing subglacial meltwater corridors that extent across the map area, spaced 5 to 15 km apart. The ice-flow chronology is recorded both in the landforms and the striae record. Rare measurements record an old flowset oriented northwest-southeast. Well-defined indicators in cross-cutting relationships reveal a regional clockwise rotation in ice-flow directions evolving from an old southward to a late deglacial westward flow. Short-lived proglacial lakes, as evidenced by wave-cut scarps, beaches, terraced outwash and ice-contact deltas, and patches of glacial lake sediments, occupied paleodrainage areas to Hudson Bay and possibly headwaters of the Mackenzie River through the Taltson River system"--Abstract.

Permanent link to this Catalogue record:
publications.gc.ca/pub?id=9.951267&sl=0

Publication information
Department/Agency
  • Geological Survey of Canada. cartographer, issuing body.
TitleSurficial geology, McCann Lake, Northwest Territories, NTS 75-G.
Series title
  • Canadian geoscience map ; 466
Publication typeMonograph - View Master Record
Language[English]
FormatDigital map
Electronic document
Note(s)
  • Relief shown by contours and spot heights.
  • Includes text, location map, index map, inset map and colour photograph.
  • "Geological Survey of Canada Canadian geoscience maps."
  • "Authors: A.S. Dyke and J.E. Campbell."
  • "Cartography by D. Viner and A. Page."
  • "North American Datum 1983."
  • Includes bibliographical references.
  • Includes abstracts in English and French.
Publishing information
  • [Ottawa] : Natural Resources Canada = Ressources naturelles Canada, 2025.
  • ©2025
Author / Contributor
  • Dyke, Arthur S., author.
  • Campbell, Janet E. M., 1963- author.
  • Viner, D. (Darren)cartographer.
  • Page, A. V. (Amaris V.)cartographer.
Description1 online resource (1 map) : colour + 1 pamphlet (10 unnumbered pages).
ISBN9780660773766
Catalogue number
  • M183-1/466-2025E-PDF
Cartographic dataScale 1:100,000 ; Universal transverse Mercator projection (W 108°--W 106°--N 62°--N 61°).
Subject terms
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