Photo Credits:
John T. Andrews
INSTAAR and Department of Geological Sciences, University of Colorado, Boulder.
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| Paleo Slide Set: The Ice Ages |
| Fjord, Baffin East Coast Mountains, Nunavut, Canada. | |
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U-shaped valleys were another observation that could be explained by the ice-age theory. Scientists knew that rivers carved V-shaped valleys, but not U-shaped valleys, which are found only in
alpine regions or high latitudes where glacial ice is formed.
Photo Credits: John T. Andrews INSTAAR and Department of Geological Sciences, University of Colorado, Boulder. |
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