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336 T19. Loess and Loess Soils
(GSA Quaternary Geology and Geomorphology Division; Gulf Coast Association of Geological Societies)

Thursday, 9 October 2008: 8:00 AM
George R. Brown Convention Center, 332BE
Presiding:
Randall Schaetzl and Mark Sweeney
8:00 AM
Introductory Remarks
8:05 AM
336-1
New Sources for the Glacigenic Loess of the Midwestern United States
Randall J. Schaetzl, Michigan State University; Walter Loope, US Geological Survey; Kristine Stanley, Michigan State University
8:20 AM
336-2
A Model for the Source and Distribution of Loess on the Green Bay Lobe Land Surface, WI
Peter M. Jacobs, Univ of Wisconsin-Whitewater; Carlene E. Polk, Univ of Wisconsin-Whitewater; Joseph A. Mason, Univ of Wisconsin
8:35 AM
336-3
The Paleoenvironmental Significance of the Central Wisconsin Loess Sheet
Kristine Stanley, Michigan State University; Randall Schaetzl, Michigan State University
8:50 AM
336-4
New Isotopic Evidence from Zircons and K-Feldspars for the Sources of Upper Mississippi River Valley Loess during the Last Glacial Period
Daniel R. Muhs; Kathleen R. Simmons; E. Arthur Bettis III, University of Iowa; John N. Aleinikoff, U.S. Geological Survey; G.L. Skipp; Eric Fisher; John P. McGeehin
9:05 AM
336-5
The Sangamon paleosol in and adjacent to the Lower Mississippi Valley
Helaine W. Markewich, U.S. Geological Survey; Milan J. Pavich, U.S. Geol Survey; Douglas A. Wysocki, USDA-NRCS
9:20 AM
Break
9:35 AM
336-6
Paleoprecipitation Reconstructions for the Brady Soil Based on Rock-Magnetic Analyses
Christoph E. Geiss, Trinity College; Pooja Shakya, Trinity College; Emily Quinton, Trinity College; William C. Johnson, University of Kansas; Joseph Mason, Univ of Wisconsin-Madison
9:50 AM
336-7
Formation of a Thick A_Horizon through Aggradational Pedogenesis In the Buried Brady Soil, Central Great Plains
Joseph A. Mason, Univ of Wisconsin-Madison; William C. Johnson, University of Kansas; Xiaodong Miao; Peter M. Jacobs, Univ of Wisc-Whitewater; Ronald J. Goble, University of Nebraska-Lincoln
10:05 AM
336-8
Chemostratigraphy of the Late Pleistocene to Holocene Transition In the Central Great Plains
William C. Johnson, University of Kansas; Joseph A. Mason, Univ of Wisconsin
10:20 AM
336-9
Using Soils, Tephras, and Luminescence to Reveal the Holocene Record of Loess in the Pacific Northwest
Mark R. Sweeney, University of South Dakota; David Gaylord, Washington State University; Alan Busacca
10:35 AM
336-10
Climatic Inferences from Paleozoic Loessite
Michael Soreghan, University of Oklahoma; Gerilyn Soreghan, University of Oklahoma; Michael Hamilton, University of Toronto; George Gehrels, University of Arizona
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