Precambrian bedrock geology, Southampton Island, Nunavut / [Authors: M. Sanborn-Barrie ... [et al.]]. : M183-1/132-2013E-PDF
"Southampton Island, Nunavut, is situated between the Archean-dominated western Churchill Province and the Paleoproterozoic Baffin-Ungava segment of the Trans-Hudson Orogen. The island exposes a highland of Precambrian basement across much of its eastern half and flat-lying Paleozoic carbonate strata across its western half. The Precambrian basement complex consists predominantly of 3000–2700 Ma tonalitegranodiorite-granite gneiss, containing enclaves and inclusions of ca. 3 Ga maficultramafic-anorthositic plutonic rocks and lesser metasedimentary rocks. A smaller proportion of Paleoproterozoic gabbroic and granitic plutons also occurs. These rocks experienced profound amphibolite- to granulite-facies tectono-metamorphic reworking at 1880–1820 Ma, during the Trans-Hudson Orogen collision between the Rae and Superior cratons, resulting in their strongly foliated to gneissic character, followed by exhumation and cooling at 1790–1780 Ma"--Abstract.
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| Ministère/Organisme | Canada. Natural Resources Canada, issuing body. Geological Survey of Canada, issuing body. |
|---|---|
| Titre | Precambrian bedrock geology, Southampton Island, Nunavut / [Authors: M. Sanborn-Barrie ... [et al.]]. |
| Titre de la série | Canadian geoscience map ; 132 |
| 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 | Sanborn-Barrie, Mary, 1960- contributor. |
| Description | 1 map : col. + 1 map information document ([15] p.). |
| ISBN | 978-1-100-22028-4 |
| Numéro de catalogue |
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| Numéro de catalogue du ministère | 293328 |
| Données cartographiques | Scale 1:250,000 ; Universal Transverse Mercator, zone 17 (W 85°15’--W 80°00'/N 65°30'--N 63°40’) |
| Descripteurs | Geological maps Geomorphology Surficial geology |
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