Petrochemical Constraints on Generation of the Peach Spring Tuff Supereruption Magma, Arizona, Nevada, and California
The 18.78 Ma Peach Spring Tuff (PST), the lone supereruption from the northern Colorado River extensional corridor (NCREC), exhibits diverse elemental characteristics, from crystal-rich intracaldera trachyte to crystal-poor high-silica rhyolite. By contrast, it is remarkably uniform isotopically, wh...
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Language: | en |
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VANDERBILT
2013
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Online Access: | http://etd.library.vanderbilt.edu/available/etd-07162013-152809/ |