Document Detail


The first glacial maximum in North America.
MedLine Citation:
PMID:  15653495     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
Despite marine evidence for at least 50 Pliocene-Pleistocene ice sheet advances, only the most recent one has been accurately reconstructed from terrestrial evidence, because there are few techniques for dating older glacial deposits. Here we show that the cosmic ray-produced nuclides beryllium-10 and aluminum-26 can be used to date tills that overlie paleosols.
Authors:
Greg Balco; Charles W Rovey; John O H Stone
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Science (New York, N.Y.)     Volume:  307     ISSN:  1095-9203     ISO Abbreviation:  Science     Publication Date:  2005 Jan 
Date Detail:
Created Date:  2005-01-17     Completed Date:  2005-02-02     Revised Date:  2007-03-19    
Medline Journal Info:
Nlm Unique ID:  0404511     Medline TA:  Science     Country:  United States    
Other Details:
Languages:  eng     Pagination:  222     Citation Subset:  -    
Affiliation:
Quaternary Research Center and Department of Earth and Space Sciences, University of Washington, Seattle, WA 98915, USA. balcs@u.washington.edu
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