Compositional and Physical Gradients in the Magmas of the Devine Canyon Tuff, Eastern Oregon| Constraints for Evolution Models of Voluminous High-silica Rhyolites

<p> Large-volume silicic ignimbrites erupt from reservoirs that vary in composition, temperature, volatile content and crystallinity. The 9.7 Ma Devine Canyon Tuff (DCT) of eastern Oregon is a large-volume (>250 km<sup>3</sup>), compositionally zoned and variably welded ignimbri...

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Bibliographic Details
Main Author: Isom, Shelby Lee
Language:EN
Published: Portland State University 2017
Subjects:
Online Access:http://pqdtopen.proquest.com/#viewpdf?dispub=10606618