Giant Grooves Made by Concentrated Basal Ice Streams
Abstract Glacial grooves are known on all the flat-lying limestone islands in western Lake Erie. The largest megagroove complexes are on Kelleys Island, each 2–6 m deep, 5–20 m wide, and 100–400 m long before quarrying. Each megagroove floor is rolling with second-order rounded ridges and “sine-shap...
| Published in: | Journal of Glaciology |
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| Main Author: | |
| Format: | Article in Journal/Newspaper |
| Language: | English |
| Published: |
Cambridge University Press (CUP)
1979
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| Online Access: | http://dx.doi.org/10.1017/s0022143000029919 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0022143000029919 |