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Record #191647:
- #191647
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MARC recordInsight into the character of palaeo-ice-flow in upland regions of mountain valleys during the last major advance (Vashon Stade) of the Cordilleran Ice Sheet, southwest British Columbia, Canada / Olav B. Lian, Stephen R. Hicock.
| Title: | Insight into the character of palaeo-ice-flow in upland regions of mountain valleys during the last major advance (Vashon Stade) of the Cordilleran Ice Sheet, southwest British Columbia, Canada / Olav B. Lian, Stephen R. Hicock. |
| Author(s): | Lian, Olav B. Hicock, Stephen R. |
| Date: | 2010. |
| In: | Boreas. (2010.), Vol. 39(2) (2010) |
| Abstract: | Presents glacial geological study of Vashon till in upland areas of two mountain valleys opening onto Fraser Lowland. Valleys would have drained ice from south-west part of Cordilleran Ice Sheet during last (Fraser) glaciation. Uses orientation and association of a-axis fabrics of stones in till and bedrock abrasion features, and presence of local glacigenic bedrock quarrying, to infer relatively slow ice flow, in contrast with earlier study in valley bottoms and adjacent lowlands indicating rapid flow. Suggests present study may reflect conditions following Last Glacial Maximum and immediately before deglaciation, when ice had thinned and slowed. Reduced flow to lower piedmont glaciers may have accelerated decay of ice sheet margin. |
| Notes: | Boreas. Vol. 39(2) :171-186 (2010). |
| Keywords: | 551.33 -- Glacial geology. 551.321 -- Glaciological methods and instruments. 551.324.24 -- Ice sheets and caps: Cordilleran Ice Sheet. 551.324.54 -- Land ice, flow of particular glaciers. 551.332.21 -- Till or boulder clay. Tillite. Glacial diamictites. 551.331.56 -- Friction cracks in rock from glacial action. 551.336 -- Ice ages. 551.324.63 -- Land ice, advance and retreat. E7 -- Glaciology: glacial geology and ice ages. (*429) -- British Columbia. |
| SPRI record no.: | 191647 |
LDR 02217naa#a2200000#a#4500 001 SPRI-191647 005 20231130071215.0 007 ta 008 231130s2010####xx#ab#|##|###|0||#0|eng#d 035 ## ‡aSPRI-191647 040 ## ‡aUkCU-P‡beng‡eaacr 100 1# ‡aLian, Olav B. 245 10 ‡aInsight into the character of palaeo-ice-flow in upland regions of mountain valleys during the last major advance (Vashon Stade) of the Cordilleran Ice Sheet, southwest British Columbia, Canada /‡cOlav B. Lian, Stephen R. Hicock. 260 ## ‡a[S.l.] :‡b[s.n.],‡c2010. 300 ## ‡ap. 171-186 :‡bill., diags., table, map. 500 ## ‡aBoreas. Vol. 39(2) :171-186 (2010). 520 3# ‡aPresents glacial geological study of Vashon till in upland areas of two mountain valleys opening onto Fraser Lowland. Valleys would have drained ice from south-west part of Cordilleran Ice Sheet during last (Fraser) glaciation. Uses orientation and association of a-axis fabrics of stones in till and bedrock abrasion features, and presence of local glacigenic bedrock quarrying, to infer relatively slow ice flow, in contrast with earlier study in valley bottoms and adjacent lowlands indicating rapid flow. Suggests present study may reflect conditions following Last Glacial Maximum and immediately before deglaciation, when ice had thinned and slowed. Reduced flow to lower piedmont glaciers may have accelerated decay of ice sheet margin. 530 ## ‡aAlso issued online ‡uurn:doi:10.1111/j.1502-3885.2009.00123.x‡uhttps://dx.doi.org/10.1111/j.1502-3885.2009.00123.x 650 07 ‡a551.33 -- Glacial geology.‡2udc 650 07 ‡a551.321 -- Glaciological methods and instruments.‡2udc 650 07 ‡a551.324.24 -- Ice sheets and caps: Cordilleran Ice Sheet.‡2udc 650 07 ‡a551.324.54 -- Land ice, flow of particular glaciers.‡2udc 650 07 ‡a551.332.21 -- Till or boulder clay. Tillite. Glacial diamictites.‡2udc 650 07 ‡a551.331.56 -- Friction cracks in rock from glacial action.‡2udc 650 07 ‡a551.336 -- Ice ages.‡2udc 650 07 ‡a551.324.63 -- Land ice, advance and retreat.‡2udc 650 07 ‡aE7 -- Glaciology: glacial geology and ice ages.‡2local 651 #7 ‡a(*429) -- British Columbia.‡2udc 700 1# ‡aHicock, Stephen R. 773 0# ‡7nnas ‡tBoreas. ‡gVol. 39(2) (2010) ‡wSPRI-56035 916 ## ‡a2010/08/17 -- RF 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20231130 ‡bRF