Early Aphebian basaltic volcanism in the southern District of Keewatin, Northwest Territories
A thin formation of folded mafic flows resting unconformably on Archean basement is informally named the Spi Lake basalt. Stratigraphic, structural, and textural evidence suggests that these lavas were probably fed from a diabase dike swarm dated at 2250+ m.y. by the Geological Survey of Canada. The...
Published in: | Canadian Journal of Earth Sciences |
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Format: | Article in Journal/Newspaper |
Language: | English |
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Canadian Science Publishing
1976
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Online Access: | http://dx.doi.org/10.1139/e76-103 http://www.nrcresearchpress.com/doi/pdf/10.1139/e76-103 |