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Reconnaissance surficial geology, Pelly Lake, Nunavut, NTS 66-F, north / [authors: D. A. St-Onge and D. E. Kerr].: M183-1/278-2016E-PDF

"Preliminary surficial geology studies, through aerial photograph interpretation and limited legacy data, were undertaken in the north half of the Pelly Lake map area. Widespread streamlined till blanket, hummocky till, till veneer and ridged till which may exhibit small transverse ridges locally, are common across the map area. Drumlinoids and crag-and-tails record a regional north-northwestward ice flow during the last glaciation, with local crosscutting age relationships. Rare morainal ridges indicate recessional or stagnant ice-marginal positions. Northward trending meltwater corridors consist of glaciofluvial sediments, zones of scoured bedrock, lags of till veneer and areas of ridged till. Isolated glacial lakes of variable extent were formed by ponding of meltwater, and some fine-grained glacial lake sediments are now characterized by shallow thermokarst lakes. Previous levels of Pelly and Garry lakes are estimated on ice-contact deltas at 190–200 m a.s.l. Active eolian activity can occur adjacent to rivers and lakes, associated with glaciofluvial sediments"--Abstract.

Permanent link to this Catalogue record:
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Publication information
Department/Agency
  • Canada. Natural Resources Canada.
  • Geological Survey of Canada.
TitleReconnaissance surficial geology, Pelly Lake, Nunavut, NTS 66-F, north / [authors: D. A. St-Onge and D. E. Kerr].
Series title
  • Canadian geoscience map ; 278
Publication typeMonograph - View Master Record
Language[English]
FormatDigital map
Electronic document
Note(s)
  • This record only includes the map and the “Map information document” in PDF, the complete data set with all the files in various formats is available for free download at http://geoscan.nrcan.gc.ca/
  • Includes bibliographical references.
  • Includes abstract in French.
Publishing information
  • Ottawa : Natural Resources Canada, 2016.
Author / Contributor
  • St-Onge, Denis A. (Denis Alderic), 1929-
  • Kerr, Daniel Ernest, 1961-
Description1 map : col. + 1 map information document ([6] p.).
ISBN978-0-660-04730-0
Catalogue number
  • M183-1/278-2016E-PDF
Departmental catalogue number298790
Edition
  • Preliminary version
Cartographic dataScale 1:125 000 ; Universal Transverse Mercator, zone 14 (W 102°00’--W 100°00'/N 66°00'--N 65°30’)
Subject terms
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