Late Proterozoic stratigraphy, U–Pb zircon ages, and rift tectonics, Mackenzie Mountains, northwestern Canada

• Published in: Canadian Journal of Earth Sciences
• Main Authors: Jefferson, C. W., Parrish, R. R.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Canadian Science Publishing 1989
• Subjects: Canada; Coates; Mackenzie mountains
• Online Access: http://dx.doi.org/10.1139/e89-151; http://www.nrcresearchpress.com/doi/pdf/10.1139/e89-151

Stratigraphic evidence suggests sporadic rifting began during deposition of the mainly platformal Mackenzie Mountains Supergroup: minor magnetite iron-formation in shale basins, lead–zinc in karsted and brecciated carbonates, red-bed and evaporite wedges, and basalts at the top. In the unconformably...