Quaternary downcutting rate of the New River, Virginia, measured from differential decay of cosmogenic 26Al and 10Be in cave-deposited alluvium

Research Article| February 01, 1997 Quaternary downcutting rate of the New River, Virginia, measured from differential decay of cosmogenic 26Al and 10Be in cave-deposited alluvium Darryl E. Granger; Darryl E. Granger 1Department of Geology and Geophysics, University of California, Berkeley, California 94720-4767 Search for other works by this author on: GSW Google Scholar James W. Kirchner; James W. Kirchner 1Department of Geology and Geophysics, University of California, Berkeley, California 94720-4767 Search for other works by this author on: GSW Google Scholar Robert C. Finkel Robert C. Finkel 2Center for Accelerator Mass Spectrometry, Lawrence Livermore National Laboratory, Livermore, California 94550 Search for other works by this author on: GSW Google Scholar Author and Article Information Darryl E. Granger 1Department of Geology and Geophysics, University of California, Berkeley, California 94720-4767 James W. Kirchner 1Department of Geology and Geophysics, University of California, Berkeley, California 94720-4767 Robert C. Finkel 2Center for Accelerator Mass Spectrometry, Lawrence Livermore National Laboratory, Livermore, California 94550 Publisher: Geological Society of America First Online: 02 Jun 2017 Online ISSN: 1943-2682 Print ISSN: 0091-7613 Geological Society of America Geology (1997) 25 (2): 107–110. https://doi.org/10.1130/0091-7613(1997)0252.3.CO;2 Article history First Online: 02 Jun 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation Darryl E. Granger, James W. Kirchner, Robert C. Finkel; Quaternary downcutting rate of the New River, Virginia, measured from differential decay of cosmogenic 26Al and 10Be in cave-deposited alluvium. Geology 1997;; 25 (2): 107–110. doi: https://doi.org/10.1130/0091-7613(1997)0252.3.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 The concentrations of the cosmogenic radionuclides 26Al and 10Be in quartz can be used to date sediment burial. Here we use 26Al and 10Be in cave-deposited river sediment to infer the time of sediment emplacement. Sediment burial dates from a vertical sequence of caves along the New River constrain its Quaternary downcutting rate to 27.3 ± 4.5 m/m.y. and may provide evidence of regional tectonic tilt. 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.