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Tertiary intrusive rocks (hypabyssal), unit 6 (Southern Mojave Desert)

Tertiary intrusive rocks; mostly shallow (hypabyssal) plugs and dikes. Includes some Mesozoic rocks.
StateCalifornia
NameTertiary intrusive rocks (hypabyssal), unit 6 (Southern Mojave Desert)
Geologic ageTertiary
Original map labelTi
Primary rock typebasalt
Secondary rock typerhyolite
Other rock typesdacite; andesite
Lithologic constituents
Minor
Igneous > Hypabyssal > Mafic-hypabyssal > Hypabyssal-basalt (Pluton)
Igneous > Hypabyssal > Mafic-hypabyssal > Hypabyssal-andesite (Pluton)
Igneous > Hypabyssal > Felsic-hypabyssal > Hypabyssal-dacite (Pluton)
Igneous > Hypabyssal > Felsic-hypabyssal > Hypabyssal-rhyolite (Pluton)
Igneous > Hypabyssal > Felsic-hypabyssal > Hypabyssal-rhyolite (Dike or sill)
Igneous > Hypabyssal > Mafic-hypabyssal > Hypabyssal-basalt (Dike or sill)
Incidental
Igneous > Hypabyssal > Mafic-hypabyssal > Hypabyssal-basaltic-andesite (Pluton)
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.
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 coverageImperial - Riverside

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