Sample RS71-3
NavDat sample number 15053 · RHYOLITE
Sample
| Sample ID | RS71-3 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 29.2 |
|---|---|
| Longitude | -103.2 |
| Location | Sheep Pasture Formation, Davis Mtns |
| State / province | Texas |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 35.3 | 26 | 38 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 72.67 | WT% | XRF | |
| TIO2 | 0.36 | WT% | XRF | |
| AL2O3 | 12.67 | WT% | XRF | |
| FE2O3T | 2 | WT% | XRF | |
| MNO | 0.02 | WT% | XRF | |
| MGO | 1.93 | WT% | XRF | |
| CAO | 0.45 | WT% | XRF | |
| NA2O | 3.63 | WT% | XRF | |
| K2O | 5.45 | WT% | XRF | |
| P2O5 | 0.07 | WT% | XRF | |
| TOTAL | 99.25 | WT% | XRF | |
| SC | 5.91 | PPM | INAA | |
| ZN | 128 | PPM | INAA | |
| RB | 213 | PPM | INAA | |
| SR | 74 | PPM | XRF | |
| Y | 118 | PPM | XRF | |
| ZR | 1121 | PPM | INAA | |
| NB | 90 | PPM | XRF | |
| CS | 0.92 | PPM | INAA | |
| BA | 879 | PPM | INAA | |
| LA | 132 | PPM | INAA | |
| CE | 258 | PPM | INAA | |
| ND | 109 | PPM | INAA | |
| SM | 21.73 | PPM | INAA | |
| EU | 0.87 | PPM | INAA | |
| TB | 4.31 | PPM | INAA | |
| YB | 12.99 | PPM | INAA | |
| LU | 1.81 | PPM | INAA | |
| HF | 34.51 | PPM | INAA | |
| TA | 9.77 | PPM | INAA | |
| TH | 24.25 | PPM | INAA | |
| U | 6.27 | PPM | INAA |