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A Geologic And Environmental Investigation Of The Occurrence Of Chrysotile Asbestos In The Coalinga Region Of Western Fresno County, California. Open Access Deposited

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Date Uploaded: 03/26/2018
Date Modified: 03/26/2018

The Coalinga, California region contains massive amounts of diapirically emplaced deposits of serpentinite. The largest deposit, the New Idria Formation, forms the core of the Joaquin Ridge Anticline and outcrops over an elliptically-shaped 48-square mile area in a mountainous area 17 miles northwest of Coalinga and 15 miles west of the California Aqueduct constructed along the western margin of the San Joaquin Valley. The serpentinite deposit is in faulted diapiric contact with Cretaceous-aged sandstones and shales and became emergent approximately 17 to 20 million years ago in the Miocene era. Eroded asbestos-bearing sediment from this ultramafic deposit has been incorporated in late-Miocene and younger sedimentary formations in the central San Joaquin Valley region.

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  • Ph.D.
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  • Chair: Wayne A. Pryor.
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