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Record #96893:

Massive ice: some field criteria for the identification of ice types / J. Ross Mackay.

Title: Massive ice: some field criteria for the identification of ice types / J. Ross Mackay.
Author(s): Mackay, J. Ross.
Date: 1989.
Publisher: Ottawa: Geological Survey of Canada
In: Geological Survey of Canada. Paper. (1989.), Vol. 89-1G (1989)
Abstract: Ice bodies in permafrost, referring to examples from west coast of Tuktoyaktuk peninsula and associated islands. Important criteria are whether ice contacts are gradational or sharp, conformable or nonconformable, thaw or erosional, primary or secondary. Close-up examination of bubbles in ice, just below contact, can differentiate between buried or segregated ice. Dykes and sills of intrusive ice transecting massive ice or overburden appear associated with segregated ice. Orientation of reticulate ice veins above contact can help in identification of ice types.
Notes:

Geological Survey of Canada. Paper. Vol. 89-1G :5-11 (1989).

Keywords: 551.345.3 -- Permafrost, composition and structure. Ice wedges.
E8 -- Glaciology: frost action and permafrost.
(*41) -- Canada.
(*470) -- Mackenzie District.
(*440) -- Northwest Territories.
SPRI record no.: 96893

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