Rb-Sr Age of the Late-Kinematic Phase of the Hudsonian Orogeny in the Beaverlodge Area, Saskatchewan

• Published in: Canadian Journal of Earth Sciences
• Main Authors: Sassano, G. P., Baadsgaard, H., Burwash, R. A.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Canadian Science Publishing 1974
• Subjects: General Earth and Planetary Sciences; St. Louis; Lake Athabasca
• Online Access: http://dx.doi.org/10.1139/e74-061; http://www.nrcresearchpress.com/doi/pdf/10.1139/e74-061

The Tazin Complex, north of Lake Athabasca, shows widespread development of mylonites associated with northeast trending faults. Hudsonian metamorphism has caused recrystallization of cataclastic rocks with post-crystalline deformation forming narrow zones of later mylonites. Syenitic lamprophyre di...