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Surficial geology, northwest Smallwood Reservoir, Newfoundland and Labrador, NTS 23-I southeast: M183-1/315-2017E-PDF

"Approximately 60% of the map-area is covered by the Smallwood Reservoir, created in 1974 with the damming of the Churchill River at Churchill Falls. The terrain is of moderate relief, with higher elevation regions in the northeast that correspond to the southern extent of the Paleoproterozoic De Pas Batholith and Late Archean Orma domain intrusive rocks. Three general phases of ice flow are observed in the map-area: to the northeast, southeast, and east. Meltwater corridors and eskers crosscut the southeasterly oriented glacial landforms and drained to the southeast and east towards the former ice margin. A large shallow glacial lake filled the Smallwood Reservoir basin. This glacial lake was previously unmapped. This lake is herein informally referred to as ‘glacial Lake Low’ named after A.P. Low of the Geological Survey of Canada, who first recognized that the final disintegration of the continental ice sheet occurred in this region"--Abstract.

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Department/Agency Natural Resources Canada.
Title Surficial geology, northwest Smallwood Reservoir, Newfoundland and Labrador, NTS 23-I southeast
Series Title Canadian geoscience map ;
Publication Type Series - View Master Record
Language [English]
Format Electronic
Electronic Document

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Note Relief shown by contours and shading. Includes text, index map and location map.
Date 2017.
Number of Pages 1 map. :
ISBN 978-0-660-08104-5
Catalogue Number
  • M183-1/315-2017E-PDF
Departmental Catalogue Number 300685
Edition Prelim.
Map Data Scale 1:100,000 ;
Subject Terms Geological maps, Geomorphology, Surficial geology