We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
Late Wisconsinan Cordilleran and Laurentide glaciation of the Peace River Valley east of the Rocky Mountains, British Columbia.
- Authors
Hartman, Gregory M.D.; Clague, John J.; Barendregt, René W.; Reyes, Alberto V.
- Abstract
In the past, researchers have disagreed over the maximum extent of the Cordilleran Ice Sheet in the Peace River valley during the Late Wisconsinan. Some workers argued that Cordilleran ice reached beyond the Rocky Mountains and briefly coalesced with the Laurentide Ice Sheet on the westernmost Interior Plains. In contrast, others asserted that Cordilleran ice did not reach beyond the eastern front of the Rocky Mountains. Stratigraphic interpretation of three sections within a Middle Wisconsinan paleovalley and re-examination of a previously published regional stratigraphic framework show that western-sourced ice (likely the Cordilleran Ice Sheet) extended east of the mountain front during the Late Wisconsinan, prior to the incursion of the Laurentide Ice Sheet into the area. This conclusion has implications for Cordilleran Ice Sheet reconstruction and modelling, and provides insight into the interactions between the Cordilleran and Laurentide ice sheets during the last glaciation.
- Subjects
PEACE River Valley (B.C. &; Alta.); CANADIAN Rockies (B.C. &; Alta.); GLACIATION; ICE sheets; STRATIGRAPHIC geology
- Publication
Canadian Journal of Earth Sciences, 2018, Vol 55, Issue 12, p1324
- ISSN
0008-4077
- Publication type
Article
- DOI
10.1139/cjes-2018-0015