Potential-field modeling of a Proterozoic half-graben near Blackwater Lake, Northwest Territories, Canada, and its implications for the Fort Simpson Magnetic Anomaly

• Published in: Canadian Journal of Earth Sciences
• Main Authors: MacLean, B C, Miles, W
• Format: Article in Journal/Newspaper
• Language: English
• Published: Canadian Science Publishing 2002
• Subjects: General Earth and Planetary Sciences; Northwest Territories; Canada; Fort Simpson; Great Bear Lake; Liard; Blackwater Lake; Tweed Lake
• Online Access: http://dx.doi.org/10.1139/e01-061; http://www.nrcresearchpress.com/doi/pdf/10.1139/e01-061

A wedge of Proterozoic strata in the Blackwater Lake area of the Northwest Territories, Canada, is preserved below the sub-Cambrian unconformity in a half-graben associated with a large normal fault. Reflection seismic data define the shape of the wedge, but neither it nor drilling information is ad...