Sample 394
NavDat sample number 17858 · RHYOLITE
Sample
| Sample ID | 394 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Maximum and minimum ages given are approximations based on average error of previous K-Ar dating. |
Location
| Latitude | 33.1381 |
|---|---|
| Longitude | -108.46 |
| Location | Diablo range |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.3 | 23.5 | 31.5 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 78 | WT% | EDXRF | |
| TIO2 | 0.16 | WT% | EDXRF | |
| AL2O3 | 12.5 | WT% | EDXRF | |
| FEO | 1.12 | WT% | EDXRF | |
| MNO | 0.07 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 0.17 | WT% | EDXRF | |
| NA2O | 1.1 | WT% | EDXRF | |
| K2O | 4.85 | WT% | EDXRF | |
| TOTAL | 97.97 | WT% | EDXRF | |
| BA | -50 | PPM | EDXRF | |
| CR | -5 | PPM | EDXRF | |
| HF | 8.9 | PPM | EDXRF | |
| NI | 4 | PPM | EDXRF | |
| RB | 263 | PPM | EDXRF | |
| SC | 3.2 | PPM | EDXRF | |
| SR | 11 | PPM | EDXRF | |
| TA | 2.3 | PPM | EDXRF | |
| TH | 28.5 | PPM | EDXRF | |
| V | -10 | PPM | EDXRF | |
| Y | 73 | PPM | EDXRF | |
| ZN | 79 | PPM | EDXRF | |
| ZR | 179 | PPM | EDXRF | |
| CE | 78 | PPM | EDXRF | |
| EU | 0.71 | PPM | EDXRF | |
| TB | 1.81 | PPM | EDXRF | |
| YB | 0.31 | PPM | EDXRF | |
| LU | 0.66 | PPM | EDXRF |