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Sample B-4
NavDat sample number 5994 · TUFF
Sample
| Sample ID | B-4 |
|---|
| Rock name | TUFF |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | slightly devitrified |
|---|
Location
| Latitude | 39.7747 |
|---|
| Longitude | -119.572 |
|---|
| 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 |
|---|
| SIO2 | 75.3 | | WT% | XRF |
| AL2O3 | 11 | | WT% | XRF |
| FE2O3 | 2.21 | | WT% | XRF |
| MGO | 0.297 | | WT% | XRF |
| CAO | 1.14 | | WT% | XRF |
| NA2O | 2.12 | | WT% | XRF |
| K2O | 3.66 | | WT% | XRF |
| TIO2 | 0.12 | | WT% | XRF |
| P2O5 | 0.05 | | WT% | XRF |
| U | 3.6 | | PPM | FLUOR |
