Structure and Petrology of the Oracle Granite, Pinal County, Arizona
Oracle granite, probably emplaced in older Precambrian time contains the relic pattern imposed on the Pinal schist by the Mazatzal orogeny. The "granite" of that time was a granodiorite. It is now a porphyritic quartz monzonite that varies unsystematically toward granodiarite and biotite g...
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| Language: | en_US |
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The University of Arizona.
1957
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| Online Access: | http://hdl.handle.net/10150/249271 |