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First Results from Hotspot: the Snake River Plain Scientific Drilling Project, Idaho, U.S.A. : Volume 15, Issue 15 (01/03/2013)

By Shervais, J. W.

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Book Id: WPLBN0004021562
Format Type: PDF Article :
File Size: Pages 10
Reproduction Date: 2015

Title: First Results from Hotspot: the Snake River Plain Scientific Drilling Project, Idaho, U.S.A. : Volume 15, Issue 15 (01/03/2013)  
Author: Shervais, J. W.
Volume: Vol. 15, Issue 15
Language: English
Subject: Science, Scientific, Drilling
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
2013
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

Citation

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Schmitt, D. R., Nielson, D., Potter, K. E., Kessler, J. A., Glen, J. M., Champion, L. D.,...Liberty, L. M. (2013). First Results from Hotspot: the Snake River Plain Scientific Drilling Project, Idaho, U.S.A. : Volume 15, Issue 15 (01/03/2013). Retrieved from http://worldlibrary.net/


Description
Description: Department of Geology, Utah State University, 4505 Old Main Hill, Logan, UT 84322-4505, USA. HOTSPOT is an international collaborative effort to understand the volcanic history of the Snake River Plain (SRP). The SRP overlies a thermal anomaly, the Yellowstone-Snake River hotspot, that is thought to represent a deep-seated mantle plume under North America. The primary goal of this project is to document the volcanic and stratigraphic history of the SRP, which represents the surface expression of this hotspot, and to understand how it affected the evolution of continental crust and mantle. An additional goal is to evaluate the geothermal potential of southern Idaho.

Project HOTSPOT has completed three drill holes. (1) The Kimama site is located along the central volcanic axis of the SRP; our goal here was to sample a long-term record of basaltic volcanism in the wake of the SRP hotspot. (2) The Kimberly site is located near the margin of the plain; our goal here was to sample a record of high-temperature rhyolite volcanism associated with the underlying plume. This site was chosen to form a nominally continuous record of volcanism when paired with the Kimama site. (3) The Mountain Home site is located in the western plain; our goal here was to sample the Pliocene-Pleistocene transition in lake sediments at this site and to sample older basalts that underlie the sediments.

We report here on our initial results for each site, and on some of the geophysical logging studies carried out as part of this project.

doi:10.2204/iodp.sd.15.06.2013


Summary
First Results from HOTSPOT: The Snake River Plain Scientific Drilling Project, Idaho, U.S.A.

 

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