State | California |
---|---|
Name | Precambrian granitic rocks, unit 3, (San Gabriel Mountains Granite) |
Geologic age | Late Triassic |
Lithologic constituents | Major
Igneous > Plutonic > Granitic > Granite (Pluton)
|
Comments | San Gabriel Mountains. Echo Granite |
Stratigraphic units | Echo Granite |
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.Jennings, C.W., and Strand, R.G., 1969, Geologic map of California, Olaf P. Jenkins edition, Los Angeles sheet, scale 1:250,000.Barth, A.P., Tosdal, R.M., Wooden, J.L., and Howard, K.A., 1997, Triassic plutonism in southern California: southward younging of arc initiation along a truncated continental margin: Tectonics, v. 16, p. 290-304. |
NGMDB product | |
Counties | Los Angeles |