Title: Late Miocene exhumation and uplift of the Washington Cascade Range
Abstract: Research Article| September 01, 2002 Late Miocene exhumation and uplift of the Washington Cascade Range Peter W. Reiners; Peter W. Reiners 1Department of Geology and Geophysics, Yale University, New Haven, Connecticut 06511, USA Search for other works by this author on: GSW Google Scholar Todd A. Ehlers; Todd A. Ehlers 2 Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, California 91125, USA Search for other works by this author on: GSW Google Scholar John I. Garver; John I. Garver 3Department of Geology, Union College, Schenectady, New York 12308, USA Search for other works by this author on: GSW Google Scholar Sara Gran Mitchell; Sara Gran Mitchell 4Department of Earth and Space Sciences, University of Washington, Seattle, Washington 98195, USA Search for other works by this author on: GSW Google Scholar David R. Montgomery; David R. Montgomery 4Department of Earth and Space Sciences, University of Washington, Seattle, Washington 98195, USA Search for other works by this author on: GSW Google Scholar Joseph A. Vance; Joseph A. Vance 4Department of Earth and Space Sciences, University of Washington, Seattle, Washington 98195, USA Search for other works by this author on: GSW Google Scholar Stefan Nicolescu Stefan Nicolescu 5Department of Geology and Geophysics, Yale University, New Haven, Connecticut 06511, USA Search for other works by this author on: GSW Google Scholar Geology (2002) 30 (9): 767–770. https://doi.org/10.1130/0091-7613(2002)030<0767:LMEAUO>2.0.CO;2 Article history received: 22 Jan 2002 rev-recd: 23 May 2002 accepted: 26 May 2002 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 Peter W. Reiners, Todd A. Ehlers, John I. Garver, Sara Gran Mitchell, David R. Montgomery, Joseph A. Vance, Stefan Nicolescu; Late Miocene exhumation and uplift of the Washington Cascade Range. Geology 2002;; 30 (9): 767–770. doi: https://doi.org/10.1130/0091-7613(2002)030<0767:LMEAUO>2.0.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 Washington Cascade Range is a complex, polygenetic mountain range that dominates the topographic, climatic, and cultural configurations of Washington State. Although it has been the locus of ongoing arc magmatism since the Eocene, most of the range is distinct from the southern part of the arc in Oregon and California in that bedrock uplift has produced high surface elevations and topographic relief, rather than volcanic burial or edifice construction. (U-Th)/He and fission-track ages of bedrock samples on the east flank of the range record relatively rapid cooling in the early Tertiary, but slow exhumation rates (∼0.2 km/m.y.) through most of the Oligocene. Samples on the west flank suggest rapid cooling in the late Miocene (8–12 Ma), and age variations in vertical transects are consistent with a pulse of rapid exhumation (0.5–1.0 km/m.y.) at that time. Apatite He ages as young as 1–5 Ma in several areas suggest that high cooling and possibly exhumation rates persist locally. Accelerated exhumation rates ca. 10 Ma are also observed in the Coast Mountains of British Columbia and southeast Alaska, ∼1500 km to the north, suggesting a large-scale mechanism for the exhumation pulse at that time. You do not have access to this content, please speak to your institutional administrator if you feel you should have access.
Publication Year: 2002
Publication Date: 2002-01-01
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 110
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