Isotopic evidence for the diversity of late Quaternary loess in Nebraska: Glaciogenic and nonglaciogenic sources

N. Aleinikoff, John; R. Muhs, Daniel; Arthur Bettis, E.; C. Johnson, William; Mark Fanning, C.; Benton, Richard

doi:10.1130/b26222.1

Public

Isotopic evidence for the diversity of late Quaternary loess in Nebraska: Glaciogenic and nonglaciogenic sources

Shared by NobleBlocks on Aug 14, 2008 • 12:00 AM UTC

Authors:

John N. Aleinikoff

Daniel R. Muhs

E. Arthur Bettis

Abstract

Pb isotope compositions of detrital K-feldspars and U-Pb ages of detrital zircons are used as indicators for determining the sources of Peoria Loess deposited during the last glacial period (late Wisconsin, ca. 25-14 ka) in Nebraska and western Iowa. Our

Subject

Geological survey

Loess

Archaeology

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