Sample BigHill-1
NavDat sample number 8335 · RHYOLITE
Sample
| Sample ID | BigHill-1 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 29.495 |
|---|---|
| Longitude | -103.7 |
| Location | vitrophyre, San Carlos Tuff |
| State / province | Texas |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 30.5 | 26 | 38 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 72.92 | WT% | UNKNOWN | |
| TIO2 | 0.23 | WT% | UNKNOWN | |
| AL2O3 | 12.95 | WT% | UNKNOWN | |
| FE2O3 | 1.93 | WT% | UNKNOWN | |
| FEO | 0.15 | WT% | UNKNOWN | |
| MNO | 0.01 | WT% | UNKNOWN | |
| MGO | 0.27 | WT% | UNKNOWN | |
| CAO | 0.88 | WT% | UNKNOWN | |
| NA2O | 3.59 | WT% | UNKNOWN | |
| K2O | 5.42 | WT% | UNKNOWN | |
| P2O5 | 0.05 | WT% | UNKNOWN | |
| H2O_PLUS | 0.57 | WT% | UNKNOWN | |
| H2O_MINUS | 0.29 | WT% | UNKNOWN | |
| CO2 | 0.17 | WT% | UNKNOWN | |
| TOTAL | 99.49 | WT% | UNKNOWN | |
| ZN | 80 | PPM | UNKNOWN | |
| RB | 248 | PPM | UNKNOWN | |
| SR | 65 | PPM | UNKNOWN | |
| Y | 78 | PPM | UNKNOWN | |
| ZR | 253 | PPM | UNKNOWN | |
| NB | 43 | PPM | UNKNOWN |