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Record #125777:

Sand wedges and permafrost history, Crumbling Point, Pleistocene Mackenzie delta, Canada / Julian B. Murton, Hugh M. French.

Title: Sand wedges and permafrost history, Crumbling Point, Pleistocene Mackenzie delta, Canada / Julian B. Murton, Hugh M. French.
Author(s): Murton, Julian B.
French, Hugh M.
Date: 1993.
Publisher: Wushan, Guangzhou: South China University of Technology Press
In: Permafrost. Sixth International Conference. Proceedings (Vol. 1), July 5-9, 1993, Beijing China. (1993.),
Abstract: At this location, large sand wedges (up to 10 m deep and 4 m wide) penetrate deformed icy sediments and massive ice, and underlie discontinuous veneer of aeolian sand. Probably formed in cold dry conditions in Middle to Late Wisconsinan. During Late Wisconsinan--Early Holocene warm period, regional thermokarst formed secondary thaw contact beneath meltout diamicton. Since this warm interval, ice veins and wedges have formed, many superimposed within sand wedges.
Notes:

In: Permafrost. Sixth International Conference. Proceedings (Vol. 1), July 5-9, 1993, Beijing China / International Conference on Permafrost.

Keywords: 551.34 -- Geocryology. Frozen ground.
551.345.3 -- Permafrost, composition and structure. Ice wedges.
E8 -- Glaciology: frost action and permafrost.
(*41) -- Canada.
(*440) -- Northwest Territories.
(*470) -- Mackenzie District.
SPRI record no.: 125777

MARCXML

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100 1# ‡aMurton, Julian B.
245 10 ‡aSand wedges and permafrost history, Crumbling Point, Pleistocene Mackenzie delta, Canada /‡cJulian B. Murton, Hugh M. French.
260 ## ‡aWushan, Guangzhou :‡bSouth China University of Technology Press,‡c1993.
300 ## ‡ap. 482-487 :‡bill., diags., map.
500 ## ‡aIn: Permafrost. Sixth International Conference. Proceedings (Vol. 1), July 5-9, 1993, Beijing China / International Conference on Permafrost.
520 3# ‡aAt this location, large sand wedges (up to 10 m deep and 4 m wide) penetrate deformed icy sediments and massive ice, and underlie discontinuous veneer of aeolian sand. Probably formed in cold dry conditions in Middle to Late Wisconsinan. During Late Wisconsinan--Early Holocene warm period, regional thermokarst formed secondary thaw contact beneath meltout diamicton. Since this warm interval, ice veins and wedges have formed, many superimposed within sand wedges.
650 07 ‡a551.34 -- Geocryology. Frozen ground.‡2udc
650 07 ‡a551.345.3 -- Permafrost, composition and structure. Ice wedges.‡2udc
650 07 ‡aE8 -- Glaciology: frost action and permafrost.‡2local
651 #7 ‡a(*41) -- Canada.‡2udc
651 #7 ‡a(*440) -- Northwest Territories.‡2udc
651 #7 ‡a(*470) -- Mackenzie District.‡2udc
700 1# ‡aFrench, Hugh M.
773 0# ‡7m2am ‡aInternational Conference on Permafrost. ‡tPermafrost. Sixth International Conference. Proceedings (Vol. 1), July 5-9, 1993, Beijing China. ‡dWushan, Guangzhou : South China University of Technology Press, 1993. ‡wSPRI-125499
917 ## ‡aUnenhanced record from Muscat, imported 2019
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