Sample RS71-23
NavDat sample number 15063 · RHYOLITE
Sample
| Sample ID | RS71-23 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 29.2 |
|---|---|
| Longitude | -103.2 |
| Location | Barrel Springs Rhyolite, Davis Mtns |
| State / province | Texas |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 32 | 26 | 38 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 74.08 | WT% | XRF | |
| TIO2 | 0.3 | WT% | XRF | |
| AL2O3 | 13.84 | WT% | XRF | |
| FE2O3T | 0.09 | WT% | XRF | |
| MNO | 0.06 | WT% | XRF | |
| MGO | 0.14 | WT% | XRF | |
| CAO | 0.73 | WT% | XRF | |
| NA2O | 4.86 | WT% | XRF | |
| K2O | 5.75 | WT% | XRF | |
| P2O5 | 0.05 | WT% | XRF | |
| TOTAL | 99.9 | WT% | XRF | |
| SC | 4.67 | PPM | INAA | |
| ZN | 99 | PPM | INAA | |
| RB | 399 | PPM | INAA | |
| SR | 62 | PPM | XRF | |
| Y | 100 | PPM | XRF | |
| ZR | 788 | PPM | INAA | |
| NB | 105 | PPM | XRF | |
| CS | 8.27 | PPM | INAA | |
| BA | 428 | PPM | INAA | |
| LA | 143 | PPM | INAA | |
| CE | 277 | PPM | INAA | |
| ND | 101 | PPM | INAA | |
| SM | 14.77 | PPM | INAA | |
| EU | 0.5 | PPM | INAA | |
| TB | 3.59 | PPM | INAA | |
| YB | 12.22 | PPM | INAA | |
| LU | 1.62 | PPM | INAA | |
| HF | 25.07 | PPM | INAA | |
| TA | 19.4 | PPM | INAA | |
| TH | 51.2 | PPM | INAA | |
| U | 9.6 | PPM | INAA |