| State |
California |
| Name |
Quaternary volcanic flow rocks, unit 2 (Long Valley Caldera) |
| Geologic age |
Quaternary |
| Lithologic constituents |
Major
Igneous > Volcanic > Felsic-volcanic > Rhyolite (Flow, Dome)
Minor
Igneous > Volcanic > Mafic-volcanic > Andesite (Flow, Dome)
Incidental
Igneous > Volcanic > Mafic-volcanic > Basalt (Flow)
|
| Comments |
includes Mammoth Mountain volcano |
| 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.
https://pubs.er.usgs.gov/publication/i1091C Bailery, R.A., 2004, Eruptive history and chemical evolution of the precaldera and postcaldera basalt-dacite sequences, Long Valley, California; implications for magma sources, current seismic unrest, and future volcanism: U.S. Geological Survey Professional Paper 1692, 75 p.
https://pubs.er.usgs.gov/publication/pp1692 Jennings, C.W., Strand, R.G., Rogers, T.H., Boylan, R.T., Moar, R.R., and Switzer, R.A., 1977, Geologic Map of California: California Division of Mines and Geology, Geologic Data Map 2, scale 1:750,000.
|
| NGMDB product |
|
| Counties |
Fresno - Madera - Mono
|
