Sample s_30-4A
NavDat sample number 3368 · BASALT
Sample
| Sample ID | s_30-4A |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
Location
| Latitude | 45 |
|---|---|
| Longitude | -120 |
| Location | COLUMBIA RIVER BASALT PROVINCE / COLUMBIA PLATEAU / PICTURE GORGE BASALT |
| State / province | WASHINGTON |
| Location comment | ABANDONED QUARRY IN UPPERMOST FLOW ON BIG ROCK FLAT, ABOUT 3 KM NORTH OF SUNFLOWER FLAT |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 13.8 | 11.2 | 16.4 | MIDDLE MIOCENE |