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Stratigraphy and volcanic evolution of the middle Miocene to Pliocene La Grande–Owyhee eruptive axis in eastern Oregon

Author(s)
Mark L. Ferns
Mark L. Ferns
College of Arts and Sciences, Eastern Oregon University, La Grande, Oregon 97850, USA
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Jason D. McClaughry
Jason D. McClaughry
Oregon Department of Geology and Mineral Industries, 1995 3rd Street, Suite 130, Baker City, Oregon 97814, USA
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Doi:
https://doi.org/10.1130/2013.2497(16)
  • Published:
    August 01, 2013

The La Grande–Owyhee eruptive axis in eastern Oregon is an ~300-km-long, north-northwest–trending, middle Miocene to Pliocene volcanic belt located along the eastern margin of the Columbia River flood basalt province. The eruptive axis extends from Elgin on the north to Jordan Valley on the south and is juxtaposed between the Chief Joseph dike swarm on the east and the Monument dike swarm and the middle Miocene Strawberry volcanics on the west. Numerous volcanic vents, from which a diverse assemblage of tholeiitic, silicic, calc-alkaline, and alkalic lavas erupted, are contained within or directly adjacent to the La Grande, Baker, and Oregon-Idaho...

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The Columbia River Flood Basalt Province
GSA Special Papers

The Columbia River Flood Basalt Province

Author(s)
Stephen P. Reidel
Stephen P. Reidel
School of the Environment, Washington State University-Tri-Cities, 2710 Crimson Way, Richland, Washington 99354, USA
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Victor E. Camp
Victor E. Camp
Department of Geological Sciences, San Diego State University, 5500 Campanile Drive, San Diego, California 92182, USA
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Martin E. Ross
Martin E. Ross
Department of Marine and Environmental Sciences, Northeastern University, Boston, Massachusetts 02115, USA
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John A. Wolff
John A. Wolff
School of the Environment, Washington State University, Pullman, Washington 99164, USA
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Barton S. Martin
Barton S. Martin
Department of Geology and Geography, Ohio Wesleyan University, 61 South Sandusky Street, Delaware, Ohio 43015, USA
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Terry L. Tolan
Terry L. Tolan
Department of Geology, Portland State University, Portland, Oregon 97201, USA
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Ray E. Wells
Ray E. Wells
U.S. Geological Survey, 345 Middlefield Road, MS 973, Menlo Park, California 94025, USA
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Geological Society of America
Volume
497
DOI:
https://doi.org/10.1130/SPE497
Copyright:
© 2013 Geological Society of America
Attribution:You must attribute the work in the manner specified by the author or licensor (but not in any way that suggests that they endorse you or your use of the work). Noncommercial ‒ you may not use this work for commercial purpose. No Derivative works ‒ You may not alter, transform, or build upon this work. Sharing ‒ Individual scientists are hereby granted permission, without fees or further requests to GSA, to use a single figure, a single table, and/or a brief paragraph of text in other subsequent works and to make unlimited photocopies of items in this journal for noncommercial use in classrooms to further education and science.
ISBN print:
9780813724973
Publication date:
August 01, 2013

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