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Chronology of Inland Eolian Dunes on the Coastal Plain of Georgia, USA

Published online by Cambridge University Press:  20 January 2017

Andrew H. Ivester ,
David S. Leigh  and
D. I. Godfrey-Smith Jr.
Andrew H. Ivester
Affiliation:
Department of Geosciences, State University of West Georgia, Carrollton, Georgia 30118-3100
David S. Leigh
Affiliation:
Department of Geography, The University of Georgia, Athens, Georgia 30602-2502
D. I. Godfrey-Smith Jr.
Affiliation:
Department of Earth Sciences, Dalhousie University, Halifax, Nova Scotia, Canada B4H 3J5
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Abstract

Most inland eolian dunes associated with rivers on the Georgia Coastal Plain probably date to glacial periods. Direct dating of the dune sand by optically stimulated luminescence dating, combined with limiting ages from radiocarbon dating, shows that dunes formed during isotope stage 2, stage 3, the transition between stages 4 and 5, and isotope stage 6 or earlier. Most of the dates indicate dune activity between 30,000 and 15,000 years ago. Holocene activity included limited and local reworking of the crests of some thick dunes along streams that flow from the Piedmont.

Keywords

luminescence datingdunespaleoclimatesoutheastern United States
Type
Research Article
Information
Quaternary Research , Volume 55 , Issue 3 , May 2001 , pp. 293 - 302
Copyright
University of Washington

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