Abstract
At several hundred sites in the James Bay region of west-central Quebec and northeastern Ontario, bedrock-inscribed indicators of generally northwestward ice flow were measured on lee sides of outcrops heavily striated by younger westward and southwestward flows. The consistent position and orientation of old northwestward striations at the base of the ice-flow sequence suggests an association with the inception and expansion of the Laurentide Ice Sheet from an initial growth zone extending northwestward from an area southeast of James Bay. This new model is in agreement with glacial transport data east and west of James Bay and has direct implications for the application of drift sampling to mineral exploration. Stratigraphic evidence and a similar former direction of ice movement in the Severn River area of northern Ontario support an Early Wisconsinan age for this event.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
