| State | Oregon |
|---|---|
| Name | Silicic vent deposits |
| Geologic age | Pliocene to Pleistocene |
| Lithologic constituents | Major
Igneous > Volcanic > Felsic-volcanic > Dacite (Dome, Pyroclastic)
Igneous > Volcanic > Felsic-volcanic > Rhyolite (Dome, Pyroclastic)
|
| References | Walker, G.W. and MacLeod, N.S., 1991, Geologic map of Oregon: U.S. Geological Survey, scale 1:500,000.Walker, G.W., 1977, Geologic map of Oregon east of the 121st meridian: U.S. Geological Survey Miscellaneous Geologic Investigations Map I-902, scale 1:500,000.https://pubs.er.usgs.gov/publication/i902 |
| NGMDB product | |
| Counties | Deschutes - Klamath - Lake - Wallowa |