Sample M-21
NavDat sample number 5998 · TUFF
Sample
| Sample ID | M-21 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | devitrified |
Location
| Latitude | 39.9426 |
|---|---|
| Longitude | -119.833 |
| Location | Tuff of McKisnick Spring group |
| State / province | Nevada |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 29.05 | 27 | 31.1 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| U | 5.9 | PPM | FLUOR |