Chemical analyses, correlations, and ages of upper Pliocene and Pleistocene ash layers of east-central and Southern California

M. Sarna‐Wojcicki, Andrei; Bowman, H.; Meyer, C.; Russell, P.C.; Woodward, Marta; McCoy, Gail; Rowe, John; A. Baedecker, P.; Asaro, Frank; Michael, Helen

doi:10.3133/pp1293

Public

Chemical analyses, correlations, and ages of upper Pliocene and Pleistocene ash layers of east-central and Southern California

Published in USGS professional paper • Jan 1, 1984

Authors:

Andrei M. Sarna‐Wojcicki

H. Bowman

C. Meyer

Abstract

Eight widespread Pleistocene ash layers of east-central and southern California are characterized and correlated on the basis of chemical composition of volcanic glass (determined by neutron activation, electron probe, and energy-dispersive X-ray fluorescence analysis), stratigraphic criteria, and p...

Subject

Volcanic ash

Pumice

Geology

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