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Regional audiomagnetotelluric study of the Questa Caldera, New Mexico

โœ Scribed by Long, Carl L.

Book ID
118671273
Publisher
American Geophysical Union
Year
1985
Tongue
English
Weight
411 KB
Volume
90
Category
Article
ISSN
0148-0227

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ESR dating was made at the Valles caldera by using the Al center and Ti center in quartz grains separated from the layers of the Valles Rhyolite. Obtained ESR ages were much younger than those by other methods (fission track and 39Ar-40Ar). A reported thermal event of about lo-40 ka ago might explai