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background. Amphitheater-like gully heads have resulted from thaw and flowage of ice-rich permafrost (photo by author). Inset photographs on the back cover are (from top to bottom) (1) Ice-wedge cast in gravel at exposure Nk-29A (photo by G.M. Ashley, 7/26/83); (2) conifer log exhumed by erosion nea...
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| Format: | Text |
| Language: | English |
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| Online Access: | http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.376.2066 http://www.arlis.org/docs/vol1/A/321071636.pdf |
| Summary: | background. Amphitheater-like gully heads have resulted from thaw and flowage of ice-rich permafrost (photo by author). Inset photographs on the back cover are (from top to bottom) (1) Ice-wedge cast in gravel at exposure Nk-29A (photo by G.M. Ashley, 7/26/83); (2) conifer log exhumed by erosion near river level at exposure Nk-37 (photo by M.E. Edwards, 7/13/95); (3) exposure Nk-27, where upper and lower diamicts are separated by remnants of eroded floodplain deposit, from point bar on opposite side of Noatak River (photo by author, 7/23/83); (4) exposure Nk-26, showing upper and lower diamicts separated by floodplain deposits that overlie alluvial gravel (photo by author, 7/19/83); and (5) varves with dropstone at exposure Cu-6 (photo by G.M. Ashley, 7/17/83).Guide to Surficial Geology and River-Bluff |
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