Carboniferous marine rocks, unit 7 (Bishop)

Shale, sandstone, conglomerate, limestone, dolomite, chert, hornfels, marble, quartzite; in part pyroclastic rocks
State California
Name Carboniferous marine rocks, unit 7 (Bishop)
Geologic age Mississippian to Early Permian
Lithologic constituents
Metamorphic > Metasedimentary > Metacarbonate > MarbleThick unit comprising Mt. Baldwin Marble
Metamorphic > Granoblastic > HornfelsThin-layered to massive siliceous hornfels
Sedimentary > Clastic > Conglomerate (Bed)Locally developed in Bright Dot Fm.
Comments East-central Sierra Nevada near Bishop. Consists primarily of siliceous hornfels and a thick marble unit (Mt. Baldwin Marble). Contains some rocks of Early Permian age
Stratigraphic units Bright Dot Fm., Lake Dorothy Hornfels, Mildred Lake Hornfels, Mount Baldwin Marble

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.

Stevens, C.H., and Greene, D.C., 1999, Stratigraphy, depositional history, and tectonic evolution of Paleozoic continental-margin rocks in roof pendants of the eastern Sierra Nevada, California: Geological Society of America Bulletin, v. 111, p. 919-933.

NGMDB product
Counties Inyo - Mono