| State | California |
|---|---|
| Name | Jurassic marine rocks, unit 6 (Mono Lake) |
| Geologic age | Ordovician(?) to Triassic(?) |
| Lithologic constituents |
Major
Metamorphic > Granoblastic > HornfelsQuartzofeldspathic hornfels and calc-silicate hornfels
Sedimentary > Clastic > Siltstone (Bed)Metamorphosed
Minor
Sedimentary > Clastic > Sandstone (Bed)Metamorphosed; associated with siltstone and conglomerate
Incidental
Sedimentary > Clastic > Conglomerate (Bed)Metamorphosed
Metamorphic > Metasedimentary > Metacarbonate > MarbleThinly interbedded with other rock types
|
| Comments | Eastern Sierra Nevada. Primarily hornfels and metasiltstone originally considered Jurassic in age but more recently interpreted as Ordovician and Triassic |
| Stratigraphic units | Palmetto Fm., Candelaria Fm. |
| References | 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.Jennings, C.W., 1985, An explanatory text to accompany the 1:750,000 scale fault and geologic maps of California: California Division of Mines and Geology, Bulletin 201, 197 p.Strand, R.G., 1967, Geologic map of California, Olaf P. Jenkins edition, Mariposa sheet, scale 1:250,000.Koenig, J.B., 1963, Geologic map of California, Olaf P. Jenkins edition, Walker Lake sheet, scale 1:250,000.Stewart, J.H., Carlson, J.E., and Johannsen, D.C., 1982, Geologic map of the Walker Lake 1ø x 2ø quadrangle, California and Nevada: U.S. Geological Survey Miscellaneous Field Studies Map MF-1382-A, scale 1:250,000.https://pubs.er.usgs.gov/publication/mf1382A Bateman, P.C., 1992, Pre-Tertiary geologic map of the Mariposa 1ø by 2ø quadrangle, Sierra Nevada, California: U.S. Geological Survey Miscellaneous Investigations Series Map I-1960, scale 1:250,000.https://pubs.er.usgs.gov/publication/i1960 Schweickert, R.A., and Lahren, M.M., 1993, Tectonics of the east-central Sierra Nevada--Saddlebag Lake and Northern Ritter Range pendants, in Lahren, M.M., Trexler, J.H., Jr., and Spinosa, C., eds., Crustal evolution of the Great Basin and the Sierra Nevada: Geological Society of America Cordilleran Section Guidebook, Department of Geological Sciences, University of Nevada, Reno, p. 313-351.Chesterman, C.W., 1975, Geology of the Matterhorn Peak quadrangle, Mono and Tuolumne Counties, California: California Division of Mines and Geology, Map Sheet 22, scale 1:48,000.Kistler, R.W., 1966, Geologic map of the Mono Craters quadrangle, Mono and Tuolumne Counties, California: U.S. Geological Survey Geologic Quadrangle Map GQ-462, scale 1:62,500.https://pubs.er.usgs.gov/publication/gq462 Bateman, P.C., Kistler, R.W., Peck, D.L., and Busacca, A., 1983, Geologic map of the Tuolumne Meadows quadrangle, Yosemite National Park, California: U.S. Geological Survey Geologic Quadrangle Map GQ-1570, scale 1:62,500.https://pubs.er.usgs.gov/publication/gq1570 |
| NGMDB product | |
| Counties | Mono - Tuolumne |