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Sample B-2a
NavDat sample number 5987 · TUFF
Sample
| Sample ID | B-2a |
|---|
| Rock name | TUFF |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | devitrified |
|---|
Location
| Latitude | 39.7573 |
|---|
| Longitude | -119.684 |
|---|
| Location | Tuff of Dogskin Mountain |
|---|
| State / province | Nevada |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 28.07 |
|
27 |
29.13 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 63.6 | | WT% | XRF |
| AL2O3 | 14.2 | | WT% | XRF |
| FE2O3 | 3.19 | | WT% | XRF |
| MGO | 0.258 | | WT% | XRF |
| CAO | 1.45 | | WT% | XRF |
| NA2O | 3.75 | | WT% | XRF |
| K2O | 4.45 | | WT% | XRF |
| TIO2 | 0.48 | | WT% | XRF |
| P2O5 | 0.05 | | WT% | XRF |
| U | 7.7 | | PPM | FLUOR |
