| Title | Geology of Paul Lake area, Lac de Gras-Lac du Sauvage region of the central Slave Province, District of Mackenzie, Northwest Territories |
| Download | Download (whole publication) |
| |
| Licence | Please note the adoption of the Open Government Licence - Canada
supersedes any previous licences. |
| Author | Kjarsgaard, B A ;
Wyllie, R J S |
| Source | Canadian Shield/Bouclier canadien; by Geological Survey of Canada; Geological Survey of Canada, Current Research no. 1994-C, 1994 p. 23-32, https://doi.org/10.4095/193810  Open Access |
| Year | 1994 |
| Publisher | Natural Resources Canada |
| Document | serial |
| Lang. | English |
| Media | paper; on-line; digital |
| Related | This publication is contained in Canadian Shield
|
| File format | pdf |
| Province | Northwest Territories |
| NTS | 76D/09; 76D/08; 76D/10; 76D/07 |
| Area | Lac de Gras; Lac du Sauvage; Paul Lake |
| Lat/Long WENS | -111.0000 -110.0000 64.7500 64.2500 |
| Subjects | igneous and metamorphic petrology; structural geology; economic geology; lithology; metasedimentary rocks; metamorphic rocks; plutonic rocks; tonalites; quartz diorites; greywackes; kimberlites;
granitic rocks; igneous rocks; deformation; metamorphism; faults; folds; structural features; dykes; Archean; field relations; structural trends; rubidium strontium dates; radiometric dates; Eocene; strain analysis; diamond; Slave Province;
Precambrian; Tertiary |
| Illustrations | sketch maps; photographs |
| Program | Canada-Northwest Territories Mineral Initiatives, 1991-1996 |
| Released | 1994 02 01 |
| Abstract | The Lac de Gras area of the Northwest Territories is currently the focus of intense exploration activity for diamondiferous kimberlite intrusions. The geology is dominated by Archean metagreywacke and
granitoids. Ductile deformation has produced at least two sets of folds and related fabrics. Granitoid emplacement occurs syn- and post-tectonically. Faulting occurred during the Late Archean/Early Proterozoic. Four Proterozoic dyke swarms cut the
Archean rocks in the map area. Detailed structural data were obtained for the area, along with subdivisions of the granitoid suites represented and new information on contact relationships. Possible controls on the spatial emplacement of kimberlites
are considered in relation to regional structures and Proterozoic dyke swarms. |
| GEOSCAN ID | 193810 |
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