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- W1964636636 abstract "Research Article| August 01, 1990 Stratigraphic evidence for late Quaternary dune activity near Hudson on the Piedmont of northern Colorado Steven L. Forman; Steven L. Forman 1Center for Geochronological Research, Institute of Arctic and Alpine Research and Department of Geological Sciences, University of Colorado, Boulder, Colorado 80309-0450 Search for other works by this author on: GSW Google Scholar Paula Maat Paula Maat 1Center for Geochronological Research, Institute of Arctic and Alpine Research and Department of Geological Sciences, University of Colorado, Boulder, Colorado 80309-0450 Search for other works by this author on: GSW Google Scholar Author and Article Information Steven L. Forman 1Center for Geochronological Research, Institute of Arctic and Alpine Research and Department of Geological Sciences, University of Colorado, Boulder, Colorado 80309-0450 Paula Maat 1Center for Geochronological Research, Institute of Arctic and Alpine Research and Department of Geological Sciences, University of Colorado, Boulder, Colorado 80309-0450 Publisher: Geological Society of America First Online: 02 Jun 2017 Online ISSN: 1943-2682 Print ISSN: 0091-7613 Geological Society of America Geology (1990) 18 (8): 745–748. https://doi.org/10.1130/0091-7613(1990)018<0745:SEFLQD>2.3.CO;2 Article history First Online: 02 Jun 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn Email Permissions Search Site Citation Steven L. Forman, Paula Maat; Stratigraphic evidence for late Quaternary dune activity near Hudson on the Piedmont of northern Colorado. Geology 1990;; 18 (8): 745–748. doi: https://doi.org/10.1130/0091-7613(1990)018<0745:SEFLQD>2.3.CO;2 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyGeology Search Advanced Search Abstract Stabilized dune fields are common features near Hudson, on the Piedmont of northern Colorado. Exposures in dune and interdune sites expose a sequence of eolian sediments and paleosols that record a complex history of eolian activity during the late Quaternary. Radiocarbon and thermoluminescence age estimates on A horizons buried by eolian sand indicate that dunes were reactivated sometime between 7 and 9 ka. On the basis of morphology of surface soils, the dunes were most recently stabilized <3 ka. At present there are no data to indicate if there were multiple periods of dune movement and stabilization during the Holocene. The penultimate pre-Holocene dune-forming episode probably terminated ca. 13 ka and may be coincident with the Pinedale glaciation. The stratigraphy at interdune sites shows at least two eolian depositional events prior to the penultimate event; they were separated by periods of pedogenesis, one of which may have exceeded 40 ka. This analysis indicates that dunes in northern Colorado were active during both cold-arid and warm-arid periods in the late Quaternary. This content is PDF only. Please click on the PDF icon to access. First Page Preview Close Modal You do not have access to this content, please speak to your institutional administrator if you feel you should have access." @default.
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- W1964636636 title "Stratigraphic evidence for late Quaternary dune activity near Hudson on the Piedmont of northern Colorado" @default.
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