Reconnaissance surficial geology, MacKay Lake, Northwest Territories, NTS 75-M / [Author: D.E. Kerr]. : M183-1/206-2014E-PDF
"Reconnaissance mapping, through aerial photograph interpretation and limited legacy field data in the MacKay Lake map area, provides a basic understanding of surficial sediments and glacial history. The region appears to have experienced more than one ice flow, but fluted till and crag-and-tails record a dominant last, southwestward flow. Bedrock is well exposed in some areas of the northeastern and extreme southeastern regions of the map area. Elsewhere, extensive till deposits occur, with variable surface expressions. Till blanket and till veneer are common throughout the map areas, whereas morainal deposits appear in the central regions and increase in importance towards the south and west. Glaciofluvial complexes and corridors consisting of eskers, ice-contact sediments and scoured bedrock, record a generally west-southwestward meltwater flow across the map area during deglaciation. A few raised beaches and trim lines along the shores of MacKay Lake range from 410 to 440 m elevation. Their limited extent may suggest confined ice marginal glacial lakes during deglaciation"--Abstract.
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| Ministère/Organisme | Canada. Natural Resources Canada. Geological Survey of Canada. |
|---|---|
| Titre | Reconnaissance surficial geology, MacKay Lake, Northwest Territories, NTS 75-M / [Author: D.E. Kerr]. |
| Titre de la série | Canadian geoscience map ; 206 |
| Type de publication | Série - Voir l'enregistrement principal |
| Langue | [Anglais] |
| Format | Électronique |
| Document électronique |
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| 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. |
| Information sur la publication | Ottawa : Natural Resources Canada, 2014. |
| Auteur / Contributeur | Kerr, Daniel Ernest, 1961- |
| Description | 1 map : col. + 1 map information document ([6] p.). |
| ISBN | 978-1-100-25403-6 |
| Numéro de catalogue |
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| Numéro de catalogue du ministère | 295542 |
| Édition | Preliminary version |
| Données cartographiques | Scale 1:125,000 ; Universal Transverse Mercator, zone 12 (W 112°00’--W 110°00'/N 64°00'--N 63°00’) |
| Descripteurs | Geological maps Lakes Surficial geology |
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