Sample 71-T
NavDat sample number 21904 · RHYOLITE
Sample
| Sample ID | 71-T |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | undivided rhyolite and sedimentary rocks |
Location
| Latitude | 35.3247 |
|---|---|
| Longitude | -115.078 |
| Location | Castle Mountains, southern Nevada and eastern California |
| State / province | California |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 14 | 12 | 16 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 74.9 | WT% | UNKNOWN | |
| TIO2 | 0.09 | WT% | UNKNOWN | |
| AL2O3 | 12.7 | WT% | UNKNOWN | |
| FEO | 1.63 | WT% | UNKNOWN | |
| MNO | 0.04 | WT% | UNKNOWN | |
| MGO | 0.16 | WT% | UNKNOWN | |
| CAO | 0.73 | WT% | UNKNOWN | |
| NA2O | 3.66 | WT% | UNKNOWN | |
| K2O | 4.94 | WT% | UNKNOWN | |
| P2O5 | 0 | WT% | UNKNOWN | |
| H2O_PLUS | 0.32 | WT% | UNKNOWN | |
| H2O_MINUS | 0.16 | WT% | UNKNOWN | |
| CO2 | 0.04 | WT% | UNKNOWN | |
| FE2O3 | 0.82 | WT% | GRAV | |
| RB | 175 | PPM | XRF | |
| SR | 3 | PPM | XRF | |
| Y | 30 | PPM | XRF | |
| ZR | 175 | PPM | XRF | |
| BA | 91 | PPM | XRF | |
| SR87_SR86 | 0.71403 | XRF |