Sample 139-T
NavDat sample number 21898 · RHYODACITE
Sample
| Sample ID | 139-T |
|---|---|
| Rock name | RHYODACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | rhyodacite |
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 |
|---|---|---|---|---|---|
| 15.25 | 14.4 | 16.1 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 47.5 | WT% | UNKNOWN | |
| TIO2 | 1.64 | WT% | UNKNOWN | |
| AL2O3 | 16.8 | WT% | UNKNOWN | |
| FEO | 9.17 | WT% | UNKNOWN | |
| MNO | 0.16 | WT% | UNKNOWN | |
| MGO | 7.31 | WT% | UNKNOWN | |
| CAO | 10.4 | WT% | UNKNOWN | |
| NA2O | 3.19 | WT% | UNKNOWN | |
| K2O | 0.65 | WT% | UNKNOWN | |
| P2O5 | 0.26 | WT% | UNKNOWN | |
| H2O_PLUS | 1.97 | WT% | UNKNOWN | |
| H2O_MINUS | 0.61 | WT% | UNKNOWN | |
| CO2 | 0.18 | WT% | UNKNOWN | |
| FE2O3 | 3.58 | WT% | GRAV | |
| RB | 31 | PPM | XRF | |
| SR | 453 | PPM | XRF | |
| Y | 33 | PPM | XRF | |
| ZR | 165 | PPM | XRF | |
| BA | 272 | PPM | XRF | |
| SR87_SR86 | 0.70584 | XRF |