Crossitic amphibole and its possible tectonic significance in the Richmond Area, southeastern Quebec
- 1 May 1976
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Earth Sciences
- Vol. 13 (5) , 711-714
- https://doi.org/10.1139/e76-075
Abstract
Crossitic amphibole suggesting blueschist-type metamorphism has been found in the Richmond area, southeastern Quebec. Prehnite facies metamorphism to the northeast of Richmond and greenschist facies metamorphism to the south along with the blueschist-type metamorphism and geophysical data suggest that the Richmond area may represent a partially eroded Ordovician subduction zone.Keywords
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