Sample H-9-56B
NavDat sample number 10054 · BASALT
Sample
| Sample ID | H-9-56B |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Comment | BASALT FLOW OF FINE-GRAINED HOLOCRYSTALLINE MATRIX OF PLAGIOCLASE, AUGITE, OLIVINE, AND OXIDE WITH PLAGIOCLASE AND ALTERED OLIVINE PHENOCRYSTS |
Location
| Latitude | 43.7833 |
|---|---|
| Longitude | -118.279 |
| Location | flow overlying ash/lacustrine sediment along U.S. 20, Drinkwater Pass |
| State / province | Oregon |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 7.41 | 7.02 | 7.8 |