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Tertiary intrusive rocks (hypabyssal), unit 7 (Northern Mojave Desert)

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Tertiary intrusive rocks; mostly shallow (hypabyssal) plugs and dikes. Includes some Mesozoic rocks.
State California
Name Tertiary intrusive rocks (hypabyssal), unit 7 (Northern Mojave Desert)
Geologic age Tertiary
Primary rock type rhyolite
Secondary rock type basalt
Other rock types dacite; trachyte
Lithologic constituents
Major
Igneous > Hypabyssal > Felsic-hypabyssal > Hypabyssal-rhyolite (Pluton)
Minor
Igneous > Hypabyssal > Mafic-hypabyssal > Hypabyssal-andesite (Pluton)
Igneous > Hypabyssal > Felsic-hypabyssal > Hypabyssal-dacite (Pluton)
Igneous > Hypabyssal > Felsic-hypabyssal > Hypabyssal-rhyolite (Dike or sill)
Incidental
Igneous > Hypabyssal > Mafic-hypabyssal > Hypabyssal-basalt (Pluton)
Igneous > Hypabyssal > Mafic-hypabyssal > Hypabyssal-basaltic-andesite (Pluton)
Igneous > Hypabyssal > Mafic-hypabyssal > Hypabyssal-basalt (Dike or sill)
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
Luedke, R.G., and Smith, R.L., 1981, Map showing distribution, composition, and age of late Cenozoic volcanic centers in California and Nevada: U.S. Geological Survey Miscellaneous Investigations Series Map I-1091-C, scale 1:1,000,000.
Luedke, R.G., Smith, R.L., and Russell-Robinson, S.L., 1983, Map showing distribution, composition, and age of late Cenozoic volcanoes and volcanic rocks of the Cascade Range and vicinity, northwestern United States: U.S. Geological Survey Miscellaneous Investigations Series Map I-1507, scale 1:500,000.
Miller, D.M., Miller, R.J., Nielson, J.E., Wilshire, H.G., Howard, K.A., and Stone, Paul, 1991, Preliminary geologic map of the East Mojave National Scenic Area, California: U.S. Geological Survey Open-File Report 91-435, 8 p., scale 1:100,000.
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.
Counties Inyo - Kern - Riverside - San Bernardino