Precambrian geology, Leith Peninsula–Rivière Grandin area, Northwest Territories / author, R.S. Hildebrand. : M183-1/153-2013E-PDF
"The Leith Peninsula map area lies along the western margin of the Canadian Shield and is dominated by Paleoproterozoic rocks of Wopmay Orogen. The oldest rocks, termed Hottah terrane, constitute the metamorphic basement to volcanic, plutonic, and sedimentary rocks of the 1.875-1.843 Ga Great Bear magmatic zone. Hottah terrane is interpreted as a precollisional arc that collided with Slave Craton and its west-facing passive margin during the 1.88 Ga Calderian Orogeny. Rocks of the Great Bear magmatic zone are interpreted as a postcollisional arc, were folded about northwest to northerly trending axes, and are cut by abundant transcurrent faults. A swarm of northwesterly trending diabase dykes, dated at 1740 Ma, cut the faults"--Abstract.
Lien permanent pour cette publication :
publications.gc.ca/pub?id=9.850089&sl=1
| Ministère/Organisme | Canada. Natural Resources Canada. Geological Survey of Canada. |
|---|---|
| Titre | Precambrian geology, Leith Peninsula–Rivière Grandin area, Northwest Territories / author, R.S. Hildebrand. |
| Titre de la série | Canadian geoscience map ; 153 |
| Type de publication | Série - Voir l'enregistrement principal |
| Langue | [Anglais] |
| Format | Électronique |
| Document électronique |
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| Note(s) | Relief shown by contours. Includes text, index map, location map, sketch maps and photograph. This record only includes the map and the “Map information document” in PDF; the complete data set with all 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, 2017. |
| Auteur / Contributeur | Hildebrand, R. S. (Robert S.) |
| Description | 1 map : col. + 1 map information document (19 p.) |
| ISBN | 978-1-100-22371-1 |
| Numéro de catalogue |
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| Numéro de catalogue du ministère | 297330 |
| Édition | Preliminary version |
| Données cartographiques | Scale 1:125,000 ; universal transverse Mercator proj., zone 11 (W 119°31’--W 118°00'/N 66°00'--N 64°35’). |
| Descripteurs | Structural geology Stratigraphy Geological maps |