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Record #123082:
- #123082
Main publication details
MARC recordUnstable behaviour of the Laurentide ice sheet during the last glacial--interglacial transition / Peter U. Clark.
| Title: | Unstable behaviour of the Laurentide ice sheet during the last glacial--interglacial transition / Peter U. Clark. |
| Author(s): | Clark, Peter U. |
| Date: | 1993. |
| In: | Eos : transactions, American Geophysical Union. (1993.), Vol. 74(16) (1993) |
| Abstract: | Abstract. Well-dated records of fluctuations of ice-sheet margins at 20 to 6 ka BP indicate correspondence between these fluctuations and distribution of subglacial deforming sediment: bed deformation and fluctuations occurred where subglacial till was relatively continuous, fine-grained and of low permeability, i.e. till was derived primarily from underlying sedimentary bedrock. Stable ice-sheet behaviour occurred over till that was discontinuous, coarse-grained and of high permeability, i.e. derived from underlying crystalline bedrock. |
| Notes: | Eos : transactions, American Geophysical Union. Vol. 74(16) :310 (1993). |
| Keywords: | 551.336 -- Ice ages. 551.79 -- Quaternary. E7 -- Glaciology: glacial geology and ice ages. (*41) -- Canada. (*40) -- North American Arctic. |
| SPRI record no.: | 123082 |
LDR 01381naa#a2200000#a#4500 001 SPRI-123082 005 20240416201326.0 007 ta 008 240416s1993####xx####|##|###|0||#0|eng#d 035 ## ‡aSPRI-123082 040 ## ‡aUkCU-P‡beng‡eaacr 100 1# ‡aClark, Peter U. 245 10 ‡aUnstable behaviour of the Laurentide ice sheet during the last glacial--interglacial transition /‡cPeter U. Clark. 260 ## ‡a[S.l.] :‡b[s.n.],‡c1993. 300 ## ‡ap. 310. 500 ## ‡aEos : transactions, American Geophysical Union. Vol. 74(16) :310 (1993). 520 3# ‡aAbstract. Well-dated records of fluctuations of ice-sheet margins at 20 to 6 ka BP indicate correspondence between these fluctuations and distribution of subglacial deforming sediment: bed deformation and fluctuations occurred where subglacial till was relatively continuous, fine-grained and of low permeability, i.e. till was derived primarily from underlying sedimentary bedrock. Stable ice-sheet behaviour occurred over till that was discontinuous, coarse-grained and of high permeability, i.e. derived from underlying crystalline bedrock. 650 07 ‡a551.336 -- Ice ages.‡2udc 650 07 ‡a551.79 -- Quaternary.‡2udc 650 07 ‡aE7 -- Glaciology: glacial geology and ice ages.‡2local 651 #7 ‡a(*41) -- Canada.‡2udc 651 #7 ‡a(*40) -- North American Arctic.‡2udc 773 0# ‡7nnas ‡tEos : transactions, American Geophysical Union. ‡gVol. 74(16) (1993) ‡wSPRI-1028 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20240416