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The Columbia River Flood Basalt Province

GSA Special Papers

The Columbia River Flood Basalt Province

Author(s)

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

Book Chapter

Eruption chronology of the Columbia River Basalt Group

Author(s)

T.L. Barry

Department of Geology, University of Leicester, University Road, Leicester, LE1 7RH, UK

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S.P. Kelley

Department of Physical Sciences, Centre for Earth, Planetary, Space and Astronomy Research, Open University, Milton Keynes, MK7 6AA, UK

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S.P. Reidel

School of the Environment, Washington State University–Tri-Cities, 2710 Crimson Way, Richland, Washington 99354, USA

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V.E. Camp

Department of Geological Sciences, San Diego State University, 5500 Campanile Drive, San Diego, California 92182, USA

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S. Self

Department of Physical Sciences, Centre for Earth, Planetary, Space and Astronomy Research, Open University, Milton Keynes, MK7 6AA, UK

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N.A. Jarboe

Department of Earth & Planetary Science, University of California, 1156 High Street, Santa Cruz, California 95064, USA

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R.A. Duncan

College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, Oregon 97331, USA

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P.R. Renne

Berkeley Geochronology Center, 2455 Ridge Road, Berkeley, California 94709, USA, and Department of Earth & Planetary Science, University of California, Berkeley, California 94720, USA

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Doi:

https://doi.org/10.1130/2013.2497(02)

Published:

August 01, 2013

The Columbia River flood basalt province, United States, is likely the most well-studied, radiometrically well-dated large igneous province on Earth. Compared with older, more-altered basalt in flood basalt provinces elsewhere, the Columbia River Basalt Group presents an opportunity for precise, accurate ages, and the opportunity to study relationships of volcanism with climatic excursions. We critically assess the available ⁴⁰Ar/³⁹Ar data for the Columbia River Basalt Group, along with K-Ar data, to establish an up-to-date picture of the timing of emplacement of the major formations that compose the lava stratigraphy. Combining robust Ar-Ar data with field constraints and...

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