Geochemical investigation of the Del Bac Hills volcanics, Pima County, Arizona
The Del Bac Hills are a northeast-trending chain composed of mid-Tertiary Turkey Track porphyry dikes and flows, overlain by potassic basaltic andesites intercalated with sediments. These hills are considered the southernmost extension of the Tucson Mountains and lie along a northeast-trending basem...
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| Language: | en |
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The University of Arizona.
1968
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| Online Access: | http://hdl.handle.net/10150/191491 http://arizona.openrepository.com/arizona/handle/10150/191491 |