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Record #152230:
The significance of pre-existing, deeply weathered crystalline rock in interpreting the effects of glaciation in the Minnesota River valley, U.S.A / C.J. Patterson, T.J. Boerboom.
Title: | The significance of pre-existing, deeply weathered crystalline rock in interpreting the effects of glaciation in the Minnesota River valley, U.S.A / C.J. Patterson, T.J. Boerboom. |
Author(s): | Patterson, C. J. Boerboom, T. J. |
Date: | 1999. |
In: | Annals of Glaciology. (1999.), Vol. 28 (1999) |
Abstract: | Examines glacial geology of Minnesota, USA. Precambrian crystalline bedrock was weathered to 30 m before Late Cretaceous. Present face of fresh rock/weathered rock may have 45 m of relief. Glaciation left saprolite overlain by soil, partially eroded saprolite and undulating fresh rock surfaces displaying striae and glacial or fluvial polish. Discusses varied origin of rounded boulders. |
Notes: | Annals of Glaciology. Vol. 28 :53-58 (1999). Papers from the International Symposium on Glaciers and the Glaciated Landscape, 17--20 August 1998, Kiruna, Sweden, J. Kleman (Editor) |
Keywords: | 551.33 -- Glacial geology. 551.32 -- Glaciology. 551.324 -- Land ice. 551.331.55 -- Rock, polished, grooved and striated by glacial action. 551.763 -- Cretaceous. E7 -- Glaciology: glacial geology and ice ages. (73) -- United States. (77) -- North central states. |
SPRI record no.: | 152230 |
LDR 01589naa#a2200000#a#4500 001 SPRI-152230 005 20231209130720.0 007 ta 008 231209s1999####xx#a##|##|###|0||#0|eng#d 035 ## ‡aSPRI-152230 040 ## ‡aUkCU-P‡beng‡eaacr 100 1# ‡aPatterson, C. J. 245 14 ‡aThe significance of pre-existing, deeply weathered crystalline rock in interpreting the effects of glaciation in the Minnesota River valley, U.S.A /‡cC.J. Patterson, T.J. Boerboom. 260 ## ‡a[S.l.] :‡b[s.n.],‡c1999. 300 ## ‡ap. 53-58 :‡bill., diags. 500 ## ‡aAnnals of Glaciology. Vol. 28 :53-58 (1999). 500 ## ‡aPapers from the International Symposium on Glaciers and the Glaciated Landscape, 17--20 August 1998, Kiruna, Sweden, J. Kleman (Editor) 520 3# ‡aExamines glacial geology of Minnesota, USA. Precambrian crystalline bedrock was weathered to 30 m before Late Cretaceous. Present face of fresh rock/weathered rock may have 45 m of relief. Glaciation left saprolite overlain by soil, partially eroded saprolite and undulating fresh rock surfaces displaying striae and glacial or fluvial polish. Discusses varied origin of rounded boulders. 650 07 ‡a551.33 -- Glacial geology.‡2udc 650 07 ‡a551.32 -- Glaciology.‡2udc 650 07 ‡a551.324 -- Land ice.‡2udc 650 07 ‡a551.331.55 -- Rock, polished, grooved and striated by glacial action.‡2udc 650 07 ‡a551.763 -- Cretaceous.‡2udc 650 07 ‡aE7 -- Glaciology: glacial geology and ice ages.‡2local 651 #7 ‡a(73) -- United States.‡2udc 651 #7 ‡a(77) -- North central states.‡2udc 700 1# ‡aBoerboom, T. J. 773 0# ‡7nnas ‡tAnnals of Glaciology. ‡gVol. 28 (1999) ‡wSPRI-60773 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20231209