A geological interpretation of the Bouguer anomalies adjacent to the Churchill–Superior boundary in northern Manitoba

• Published in: Canadian Journal of Earth Sciences
• Main Author: Gibb, R. A.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Canadian Science Publishing 1968
• Subjects: General Earth and Planetary Sciences; Pikwitonei; Churchill; Nelson River; Split Lake
• Online Access: http://dx.doi.org/10.1139/e68-042; http://www.nrcresearchpress.com/doi/pdf/10.1139/e68-042

The Bouguer anomaly map of nothern Manitoba and part of northeastern Saskatchewan was updated by a gravity survey in 1965. Density determinations of some 2000 Precambrian rock samples provide a sound basis for interpretation of the Bouguer anomalies in terms of relatively near-surface mass distribut...