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Tertiary volcanic flow rocks, unit 12 (Sam Emigdio)

Tertiary volcanic flow rocks; minor pyroclastic deposits.
StateCalifornia
NameTertiary volcanic flow rocks, unit 12 (Sam Emigdio)
Geologic ageTertiary (22-25 Ma)
Original map labelTv
Primary rock typebasalt
Secondary rock typerhyolite
Other rock typesandesite; dacite
Map references
Jennings, C.W., Strand, R.G., and Rogers, T.H., 1977, Geologic map of California: California Division of Mines and Geology, scale 1:750,000.
Unit references
Cole, R.B., and DeCelles, P.G., 1991, Subaerial to submarine transitions in early Miocene pyroclastic flow deposits, southern San Joaquin basin, California: Geological Society of America Bulletin, v. 103, no. 2, p. 221-235.
Stanley, R.G., Wilson, D.S., and McCrory, P.A., 2000, Locations and ages of middle Tertiary volcanic centers in coastal California: U.S. Geological Survey Open-File Report 00-154, 27 p., url http://geopubs.wr.usgs.gov/open-file/of00-154/
Jennings, C.W., Strand, R.G., and Rogers, T.H., 1977, Geologic map of California: California Division of Mines and Geology, scale 1:750,000.
Geographic coverageKern

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