The Paleomagnetism of the Otish Gabbro from North of the Grenville Front, Quebec
- 1 October 1973
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Earth Sciences
- Vol. 10 (10) , 1556-1564
- https://doi.org/10.1139/e73-147
Abstract
The Otish Gabbro, which intrudes the Otish Mountains Group, is normally magnetized and has a paleomagnetic pole at 107 °W, 35 °N, α95 = 9°. The Otish Mountains Group has been correlated with the Mistassini Group and/or the Huronian Supergroup. The pole for the Otish Gabbro lies between that of the 2175 m.y. old Nipissing diabase, which is intrusive into Huronian strata, and the pole for the 1700 m.y. old Sudbury norite. If the Otish Mountains Group is correlative with the 2300 m.y. Huronian, the Otish Gabbro was intruded a considerable time after the deposition of the sedimentary strata.Keywords
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