Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Columbia River Basalt Group  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Neogene | |
| ....Miocene | |
| .....Columbia River Basalt Group | |
| UF | Columbia River Basalt |
| RT | Pliocene |
| Idaho | |
| Washington | |
| Oregon | |
| Picture Gorge Basalt | |
| Yakima fold belt | |
| Frenchman Springs Member | |
| Grande Ronde Basalt | |
| Saddle Mountains Basalt | |
| Wanapum Basalt | |
| Yakima Basalt | |
| SN | Miocene. The Columbia River Basalt was formerly also considered Pliocene (?). N Idaho, Oregon, and Washington. Has been divided into the Yakima Basalt (subgroup) containing the Wanapum Basalt, the Grande Ronde Basalt, and the Saddle Mountains Basalt; and |