Sample 672
NavDat sample number 5441 · TUFF
Sample
| Sample ID | 672 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | L.P. Giovacchini, P. Rippee, D.L. Gustafson and J. Proffett. |
| Comment | Bluestone Mine Tuff, map unite 10B. Poorly welded, lithified vitric lapilli tuff. A few hundred feet north of Mason Valley Mine. |
Location
| Latitude | 38.9503 |
|---|---|
| Longitude | -119.221 |
| State / province | Nevada |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 33.4 | 1.8 | 65 | Tertiary |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 75.84 | WT% | UNKNOWN | |
| TIO2 | 0.22 | WT% | UNKNOWN | |
| AL2O3 | 11.57 | WT% | UNKNOWN | |
| FE2O3 | 1.06 | WT% | UNKNOWN | |
| FEO | 0 | WT% | UNKNOWN | |
| FE2O3T | 1.06 | WT% | UNKNOWN | |
| MNO | 0.03 | WT% | UNKNOWN | |
| MGO | 0.04 | WT% | UNKNOWN | |
| CAO | 0.29 | WT% | UNKNOWN | |
| NA2O | 1.54 | WT% | UNKNOWN | |
| K2O | 6.12 | WT% | UNKNOWN | |
| H2O_PLUS | 0.82 | WT% | UNKNOWN | |
| H2O_MINUS | 0.66 | WT% | UNKNOWN | |
| P2O5 | 0.05 | WT% | UNKNOWN | |
| CO2 | 0.33 | WT% | UNKNOWN | |
| S | 0.006 | PPM | UNKNOWN | |
| SR | 0.003 | PPM | XRF | |
| RB | 0.024 | PPM | XRF | |
| ZR | 0.04 | PPM | XRF |