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Record #110305:
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MARC recordEvidence from thermoluminescence dating for Middle Wisconsinan deglaciation in the Hudson Bay Lowland of Manitoba / Glenn W. Berger, E. Nielsen.
| Title: | Evidence from thermoluminescence dating for Middle Wisconsinan deglaciation in the Hudson Bay Lowland of Manitoba / Glenn W. Berger, E. Nielsen. |
| Author(s): | Berger, Glenn W. Nielsen, E. |
| Date: | 1991. |
| In: | Canadian Journal of Earth Sciences. (1991.), Vol. 28(2) (1991) |
| Abstract: | Reports first direct dating of nonglacial, intertill Nelson River sediments, obtaining age estimates of 32-46 ka for four samples and 119 ka for fifth, all samples previously correlated to Sangamonian Stage (80-130 ka) Missinaibi Formation. Younger dates estimated to be within 20 to 40% of true age of deposition, but oldest date is probably overestimate. Thus, younger direct dates imply significant climatic warming and deglaciation during Middle Wisconsinan. |
| Notes: | Canadian Journal of Earth Sciences. Vol. 28(2) :240-249 (1991). |
| Keywords: | 551.32 -- Glaciology. 551.336 -- Ice ages. 551.79 -- Quaternary. 551.337 -- Chronology of the Pleistocene and recent periods. E7 -- Glaciology: glacial geology and ice ages. (*41) -- Canada. (*426) -- Manitoba. |
| SPRI record no.: | 110305 |
LDR 01458naa#a2200000#a#4500 001 SPRI-110305 005 20230323073234.0 007 ta 008 230323s1991####xx#ab#|##|###|0||#0|eng#d 035 ## ‡aSPRI-110305 040 ## ‡aUkCU-P‡beng‡eaacr 100 1# ‡aBerger, Glenn W. 245 10 ‡aEvidence from thermoluminescence dating for Middle Wisconsinan deglaciation in the Hudson Bay Lowland of Manitoba /‡cGlenn W. Berger, E. Nielsen. 260 ## ‡a[S.l.] :‡b[s.n.],‡c1991. 300 ## ‡ap. 240-249 :‡bdiags., tables, map. 500 ## ‡aCanadian Journal of Earth Sciences. Vol. 28(2) :240-249 (1991). 520 3# ‡aReports first direct dating of nonglacial, intertill Nelson River sediments, obtaining age estimates of 32-46 ka for four samples and 119 ka for fifth, all samples previously correlated to Sangamonian Stage (80-130 ka) Missinaibi Formation. Younger dates estimated to be within 20 to 40% of true age of deposition, but oldest date is probably overestimate. Thus, younger direct dates imply significant climatic warming and deglaciation during Middle Wisconsinan. 650 07 ‡a551.32 -- Glaciology.‡2udc 650 07 ‡a551.336 -- Ice ages.‡2udc 650 07 ‡a551.79 -- Quaternary.‡2udc 650 07 ‡a551.337 -- Chronology of the Pleistocene and recent periods.‡2udc 650 07 ‡aE7 -- Glaciology: glacial geology and ice ages.‡2local 651 #7 ‡a(*41) -- Canada.‡2udc 651 #7 ‡a(*426) -- Manitoba.‡2udc 700 1# ‡aNielsen, E. 773 0# ‡7nnas ‡tCanadian Journal of Earth Sciences. ‡gVol. 28(2) (1991) ‡wSPRI-39391 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20230323