Age of the Cutler Dam Alloformation (Late Pleistocene), Bonneville basin, Utah

Darrell S. Kaufman, Steve L. Forman, Jordon Bright

Research output: Contribution to journalArticle

25 Scopus citations

Abstract

Luminescence geochronology, especially infrared stimulated luminescence analyses on marsh mud, shows that a relatively deep lake reached its peak (∼1340 m above sea level) in the Bonneville basin 59,000 ± 5000 yr ago. The age is consistent with nonfinite 14C ages and with amino acid geochronology on ostracodes. The Cutler Dam Alloformation was deposited during this lake cycle, which, like the subsequent Bonneville lake cycle, appears to have reached its maximum highstand following the peak of a global glacial stage (marine oxygen-isotope stage 4) but at a time when other records from North America show evidence for cold climate and expanded glacier ice.

Original languageEnglish (US)
Pages (from-to)322-334
Number of pages13
JournalQuaternary Research
Volume56
Issue number3
DOIs
StatePublished - Nov 2001

Keywords

  • Geochronology
  • Pluvial Lake
  • Quaternary

ASJC Scopus subject areas

  • Arts and Humanities (miscellaneous)
  • Earth-Surface Processes
  • Earth and Planetary Sciences(all)

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