Geology, Sylvia Grinnell Lake (south), Baffin Island, Nunavut / [authors, M.R. St-Onge … [et al.]].: M183-1/254-2016E-PDF
"This map summarizes the field observations for the Sylvia Grinnell Lake (south) map area following eight weeks of regional and targeted bedrock mapping on western Hall Peninsula. The 2015 field campaign completes a two-decade mission to update map coverage for the whole of Baffin Island south of latitude 70°N. The bedrock is dominated by a Paleoproterozoic metaplutonic suite, ranging in composition from gabbro to syenogranite, with crosscutting relations indicating a progression from mafic to silicic magmatism. Prevailing upper amphibolite to lower granulite facies metamorphic conditions overlap the stability limits of magnetite and orthopyroxene, which is consistent with equilibrium phase diagrams and regional aeromagnetic data. Metasedimentary rocks, including quartzite, pelite, marble, and metagreywacke, are present as screens and enclaves between and within plutonic bodies. An examination of the ‘ghost’ stratigraphy suggests that the metasedimentary rocks can be correlated with the middle Paleoproterozoic Lake Harbour Group in the south and Piling Group in the north. Two basaltic dyke swarms and shallowly dipping Ordovician limestone respectively crosscut and overly the Paleoproterozoic units"--Abstract.
Permanent link to this Catalogue record:
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| Department/Agency | Canada. Natural Resources Canada. Geological Survey of Canada. |
|---|---|
| Title | Geology, Sylvia Grinnell Lake (south), Baffin Island, Nunavut / [authors, M.R. St-Onge … [et al.]]. |
| Series title | Canadian geoscience map ; 254E Canada-Nunavut Geoscience Office, open file map ; 2016-11E |
| Publication type | Series - View Master Record |
| Language | [English] |
| Other language editions | [Inuktitut] |
| Format | Electronic |
| Electronic document |
|
| Note(s) | Issued also in Inuktitut. 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, c2016. |
| Author / Contributor | St-Onge, M. R. |
| Description | 1 map : col. + 1 map information document ([31] p.). |
| ISBN | 978-0-660-04125-4 |
| Catalogue number |
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| Departmental catalogue number | 297593 |
| Edition | Preliminary version |
| Cartographic data | Scale 1:100 000 ; Universal Transverse Mercator, zone 19 (W 70°00’--W 68°00'/N 64°30'--N 64°00’) |
| Subject terms | Geological maps Geomorphology Structural geology |
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