| State | California |
|---|---|
| Name | Tertiary volcanic flow rocks, unit 19 (Lovejoy) |
| Geologic age | Tertiary (14-16 Ma) |
| Lithologic constituents | Major
Igneous > Volcanic > Mafic-volcanic > Basalt (Flow)
|
| Stratigraphic units | Lovejoy Basalt |
| References | Blake, M.C., Jr., Helley, E.J., Jayko, A.S., Jones, D.L., and Ohlin, H.N., 1992, Geologic map of the Willows 1:100,000 quadrangle, California: U.S. Geological Survey Open-File Report 92-271, 42 p., scale 1:100,000.https://pubs.er.usgs.gov/publication/ofr92271 Grose, T.L.T., 2000, Volcanoes in the Susanville region, Lassen, Modoc, Plumas Counties, northeastern California: California Geology, v. 53, p. 4-23.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 | Butte - Glenn - Tehama |