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Constraining Late Cretaceous Magmatic Evolution in Southwestern Montana.

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Author(s)
Guy, Alexandra K.
Advisor(s)
Ihinger, Phillip D.; Mahoney, J. Brian
Date
Jan 23, 2009
Subject(s)
Geology, Stratigraphic--Cretaceous; Geology--Montana--Elkhorn; Volcanic ash, tuff, etc.--Montana--Elkhorn Mountains; Rocks, Igneous--Montana--Elkhorn Mountains; Posters
Series
USGZE AS589
Abstract
The Elkhorn Mountains volcanics (EMV) of southwest Montana comprise Late Cretaceous andesitic to rhyolitic tuffs and flows that are adjacent to and coeval with the Boulder batholith (Bb) and it satellite intrusions (Si). We have undertaken detailed mapping and geochemical studies to investigate the relationship between the deformation and magmatism of the region.
Description
Color poster with text, maps, and graphs describing research conducted by Alexandra K. Guy, advised by Phillip D. Ihinger and J. Brian Mahoney.
Sponsor(s)
University of Wisconsin--Eau Claire Office of Research and Sponsored Programs.
Permanent link
http://digital.library.wisc.edu/1793/31913 
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