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Highly differentiated subalkaline rhyolite from Glass Mountain, Mono County, California.Available data on the partition of Sr between coexisting feldspar and melt phases re interpreted as an indication that a rhyolite from Glass Mountain represents about 25% of a hypothetical 'parent' magma of silicic composition having a norm ntent of 150 ppm. Available Sr and Pb isotope data on nearby Pleistocene rhyolite lavas suggest that the 'parent' magmas of volcanic rocks of the area came from mafic or ultramafic source marl.
Document ID
19720042574
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Noble, D. C. (Harvard University Cambridge, Mass., United States)
Korringa, M. K. (Stanford University Stanford, Calif., United States)
Hedge, C. E.
Riddle, G. O. (U.S. Geological Survey Denver, Colo., United States)
Date Acquired
August 6, 2013
Publication Date
April 1, 1972
Publication Information
Publication: Geological Society of America Bulletin
Volume: 83
Subject Category
Geophysics
Accession Number
72A26240
Funding Number(s)
CONTRACT_GRANT: NGR-22-007-103
CONTRACT_GRANT: NSF GA-1546
Distribution Limits
Public
Copyright
Other

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