| Reference Type | Journal (article/letter/editorial) |
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| Title | Ice in Coulthard Cave, Alberta |
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| Journal | Canadian Journal of Earth Sciences |
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| Authors | Marshall, P. | Author |
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| Brown, M. C. | Author |
| Year | 1974 (April 1) | Volume | 11 |
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| Issue | 4 |
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| Publisher | Canadian Science Publishing |
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| DOI | doi:10.1139/e74-045Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 474048 | Long-form Identifier | mindat:1:5:474048:7 |
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| GUID | 0 |
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| Full Reference | Marshall, P., Brown, M. C. (1974) Ice in Coulthard Cave, Alberta. Canadian Journal of Earth Sciences, 11 (4) 510-518 doi:10.1139/e74-045 |
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| Plain Text | Marshall, P., Brown, M. C. (1974) Ice in Coulthard Cave, Alberta. Canadian Journal of Earth Sciences, 11 (4) 510-518 doi:10.1139/e74-045 |
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| In | (1974, April) Canadian Journal of Earth Sciences Vol. 11 (4) Canadian Science Publishing |
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| Abstract/Notes | Coulthard Cave is located in the Crowsnest Pass area of southwestern Alberta, at an elevation of 2650 m above mean sea level. The entrance of the cave faces north, and alt but one of the passages in the cave end in massive ice blockages. Oriented ice samples were removed and studied by crystallographic techniques in a cold laboratory which revealed a layering (not evident to the eye) similar to that formed by the freezing of a horizontal water surface, i.e. a 'pond.' Although present-day temperatures in the cave never exceed 0 °C, large scallop-like depressions in the ice suggest slow erosion by sublimation. An experiment indicated a sublimation rate of 3 mm/yr. Sublimation of the ice permits entrapped sediment to reach the ice surface. Continual downward lowering of the ice surface facilitates the movement by normal trajectory of sediment toward the scallop edges where it forms interstitial ridges. These ridges form on both vertical and overhanging ice surfaces. It is concluded that the ice probably did not form during the Pleistocene Period but rather after the late Hypsithermal warm period. |
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