OSL chronologies for Aeolian activity in the context of lake-level fluctuations, drainage reorganization and glacial retreat, North-Central Minnesota

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Publication Type Journal Article
School or College College of Social & Behavioral Science
Department Geography
Creator Nicoll, Kathleen
Other Author Demko, Timothy M.; Marlow, Lisa M.
Title OSL chronologies for Aeolian activity in the context of lake-level fluctuations, drainage reorganization and glacial retreat, North-Central Minnesota
Date 2006
Description Dunes and stratified eolian sedi-ments are a significant component of the postglacial landscape across the mid-continent. During the 1970s, a benchmark study in north-central Minne-sota inferred a period of eolian activity 8,000 ? 5,000 years ago (i.e., the Altithermal Hypsithermal periods), based upon radiocarbon dates on charcoal and organic material preserved within paleosols developed in dunes [1]. We revisited a classic local-ity at Lake Winnibigoshish (N 47?27'; W 94?12'), and sample other dune-forms to hypothesis-test whether eolian landform development occurred dur-ing the middle Holocene. Optical luminescence techniques can better resolve Minnesota's eolian chronologies by directly dating the emplacement of bed forms; sediments are typically oxidized and lack preserved organic materials suitable for 14C dating.
Type Text
Publisher U.S. Geological Survey (USGS)
Language eng
Bibliographic Citation Nicoll, K., Demko, T. M., & Marlow, L. M. (2006). OSL chronologies for Aeolian activity in the context of lake-level fluctuations, drainage reorganization and glacial retreat, North-Central Minnesota. Presented at the 4th New World Luminescence Dating and Dosimetry Workshop, 13. May 31-June 2.
Rights Management © U.S. Geological Survey (USGS)
Format Medium application/pdf
Format Extent 131,477 bytes
Identifier ir-main,15844
ARK ark:/87278/s6086pps
Setname ir_uspace
Date Created 2012-06-13
Date Modified 2021-05-06
ID 704693
Reference URL https://collections.lib.utah.edu/ark:/87278/s6086pps
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