Reinterpretation of the Burmester core, Bonneville basin, Utah

Charles G. Oviatt, Robert S. Thompson, Darrell S. Kaufman, Jordon Bright, Richard M. Forester

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85 Scopus citations


Initial interpretation of the sediments from the Burmester core (Eardley et al. (1973). Geological Society of America Bulletin 84, 211-216) indicated that 17 deep-lake cycles, separated by shallow-lake and soil-forming intervals, occurred in the Bonneville basin during the Brunhes Chron (the last 780 x 103 yr). Our re-examination of the core, along with new sedimentological, geochronological, and paleontological data, indicate that only four deep-lake cycles occurred during this period, apparently correlative with marine oxygen-isotope stages 2, 6, 12, and 16. This interpretation suggests that large lakes formed in the Bonneville basin only during the most extensive of the Northern Hemisphere glaciations.

Original languageEnglish (US)
Pages (from-to)180-184
Number of pages5
JournalQuaternary Research
Issue number2
StatePublished - Sep 1999

Bibliographical note

Funding Information:
We are grateful to the University of Utah Department of Geology and Geophysics for access to the Burmester core. Examination of the Burmester core was supported by the United States Geological Survey Global Change and Climate History Program. Amino acid analyses were partially supported by NSF-ESH grant EAR-9896251. We thank Bill McCoy, Marith Reheis, Joe Rosenbaum, and an anonymous reviewer for helpful comments.

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