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San Agustin Plains, New Mexico: Age and Paleoenvironmental Potential Reassessed

Published online by Cambridge University Press:  20 January 2017

Vera Markgraf ,
J. Platt Bradbury ,
R. M. Forester ,
G. Singh  and
R. S. Sternberg
Vera Markgraf
Affiliation:
Institute of Arctic and Alpine Research, University of Colorado, Boulder, Colorado 80309
J. Platt Bradbury
Affiliation:
U.S. Geological Survey, M.S. 919, Denver Federal Center, Denver, Colorado 80225
R. M. Forester
Affiliation:
U.S. Geological Survey, M.S. 919, Denver Federal Center, Denver, Colorado 80225
G. Singh
Affiliation:
Department of Biogeography, Austrialian National University, Canberra, ACT 2600, Australia
R. S. Sternberg
Affiliation:
Department of Geology, Franklin Marshall College, Lancaster, Pennsylvania 17604
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Abstract

Paleomagnetic analysis of samples from the original 600-m-long core from the San Agustin Plains, New Mexico, showed an unquestionable reversal stratigraphy dating the record back to at least 1.6 my. Analysis of pollen, ostracodes, and algae of a duplicate sample section in the vicinity of the original coring site and spanning the last 18,000 yr B.P. shows a much higher resolution than the earlier results.

Type
Research Article
Information
Quaternary Research , Volume 22 , Issue 3 , November 1984 , pp. 336 - 343
Copyright
University of Washington

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