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Record #145795:
- #145795
Main publication details
MARC recordPlugs and plug circles: a basic form of patterned ground, Cornwallis Island, Arctic Canada - origin and implications / A. Lincoln Washburn.
| Title: | Plugs and plug circles: a basic form of patterned ground, Cornwallis Island, Arctic Canada - origin and implications / A. Lincoln Washburn. |
| Author(s): | Washburn, A. Lincoln. |
| Date: | 1997. |
| Publisher: | Boulder, CO: Geological Society of America |
| Abstract: | Gives detailed analysis of nature, origin and development of plugs and plug circles occurring in permafrost on Cornwallis Island, Arctic Canada. They may be sorted or non-sorted, and extend in diameter from a few centimetres to more than a metre. Plugs occur in differing deposits and constituents. They are widespread in some permafrost regions of Arctic and probably in permafrost environments more generally. Formation originates from differential frost heaving when freezing front moves both downward from ground surface and upward from permafrost table. Surface seepage can explain location of many occurrences. In different environmental conditions, this basic type of patterned ground may show transition to other forms, with some ring-bordered forms evolving into classical ring-bordered type of Spitsbergen. |
| Keywords: | 551.34 -- Geocryology. Frozen ground. 551.343.2 -- Cryoturbation and patterned ground. E8 -- Glaciology: frost action and permafrost. (*3) -- Arctic regions. (*440) -- Northwest Territories. (*464.81) -- Cornwallis Island. |
| Location(s): | SCO: SPRI-SHF: 551.343[1997] |
| ISBN: | 0813711908 |
| SPRI record no.: | 145795 |
LDR 01863nam#a2200000#a#4500 001 SPRI-145795 005 20240419063541.0 007 ta 008 240419s1997####coua###|#####|0||#0#eng#d 020 ## ‡a0813711908 035 ## ‡aSPRI-145795 040 ## ‡aUkCU-P‡beng‡eaacr 100 1# ‡aWashburn, A. Lincoln. 245 10 ‡aPlugs and plug circles :‡ba basic form of patterned ground, Cornwallis Island, Arctic Canada - origin and implications /‡cA. Lincoln Washburn. 260 ## ‡aBoulder, CO :‡bGeological Society of America,‡c1997. 300 ## ‡av, 87 p. :‡bill., diags., tables ;‡c28.5 cm. 490 0# ‡aGeological Society of America Memoir ;‡v190 520 3# ‡aGives detailed analysis of nature, origin and development of plugs and plug circles occurring in permafrost on Cornwallis Island, Arctic Canada. They may be sorted or non-sorted, and extend in diameter from a few centimetres to more than a metre. Plugs occur in differing deposits and constituents. They are widespread in some permafrost regions of Arctic and probably in permafrost environments more generally. Formation originates from differential frost heaving when freezing front moves both downward from ground surface and upward from permafrost table. Surface seepage can explain location of many occurrences. In different environmental conditions, this basic type of patterned ground may show transition to other forms, with some ring-bordered forms evolving into classical ring-bordered type of Spitsbergen. 650 07 ‡a551.34 -- Geocryology. Frozen ground.‡2udc 650 07 ‡a551.343.2 -- Cryoturbation and patterned ground.‡2udc 650 07 ‡aE8 -- Glaciology: frost action and permafrost.‡2local 651 #7 ‡a(*3) -- Arctic regions.‡2udc 651 #7 ‡a(*440) -- Northwest Territories.‡2udc 651 #7 ‡a(*464.81) -- Cornwallis Island.‡2udc 852 7# ‡2camdept‡bSCO‡cSPRI-SHF‡h551.343[1997]‡9Create 1 item record‡0Migrate 916 ## ‡a127830 -- 2003/01/16 -- WM 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20240419 ‡bWM