The collapse of the Cordilleran–Laurentide ice saddle and early opening of the Mackenzie Valley, Northwest Territories, Canada, constrained by 10 Be exposure dating

• Published in: The Cryosphere
• Main Authors: B. J. Stoker, M. Margold, J. C. Gosse, A. J. Hidy, A. J. Monteath, J. M. Young, N. Gandy, L. J. Gregoire, S. L. Norris, D. Froese
• Format: Article in Journal/Newspaper
• Language: English
• Published: Copernicus Publications 2022
• Subjects: Environmental sciences; GE1-350; Geology; QE1-996.5; Arctic; Arctic Ocean; Northwest Territories; Canada; Mackenzie Valley; Ice Sheet; Mackenzie mountains; The Cryosphere
• Online Access: https://doi.org/10.5194/tc-16-4865-2022; https://doaj.org/article/069d12d51c514897836504a04f7b346a

Deglaciation of the northwestern Laurentide Ice Sheet in the central Mackenzie Valley opened the northern portion of the deglacial Ice-Free Corridor between the Laurentide and Cordilleran ice sheets and a drainage route to the Arctic Ocean. In addition, ice sheet saddle collapse in this section of t...