Sample 840
NavDat sample number 66431 · ANDESITE
Sample
| Sample ID | 840 |
|---|---|
| Alternate ID | AYB-406 |
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Icelandite |
Location
| Latitude | 43.9862 |
|---|---|
| Longitude | -117.543 |
| State / province | Oregon |
| Volcanic field | XRAL |
| Formation | Columbia River Basalt |
| Elevation | 1018 |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 13.8 | 11.2 | 16.4 | middle Miocene |