Sample USGSD27a
NavDat sample number 19112 · TUFF
Sample
| Sample ID | USGSD27a |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | altered crystal-vitric rhyolite ash-flow tuff; zircon date probably is age of tuff |
Location
| Latitude | 47.4767 |
|---|---|
| Longitude | -120.293 |
| Location | Douglas County |
| State / province | Washington |
| Volcanic field | Wenatchee Formation |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 34.5 | 30.6 | 38.4 |
Analyses
No chemical analyses are stored for this sample.