Sample 457
NavDat sample number 17917 · RHYOLITE
Sample
| Sample ID | 457 |
|---|---|
| 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 | 33.3256 |
|---|---|
| Longitude | -108.808 |
| Location | Nabours mountain |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.5 | 23 | 32 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 71 | WT% | EDXRF | |
| TIO2 | 0.32 | WT% | EDXRF | |
| AL2O3 | 14.5 | WT% | EDXRF | |
| FEO | 1.52 | WT% | EDXRF | |
| MNO | 0.05 | WT% | EDXRF | |
| MGO | 1 | WT% | EDXRF | |
| CAO | 0.36 | WT% | EDXRF | |
| NA2O | 4 | WT% | EDXRF | |
| K2O | 4.72 | WT% | EDXRF | |
| TOTAL | 97.47 | WT% | EDXRF | |
| BA | 307 | PPM | EDXRF | |
| CR | 11 | PPM | EDXRF | |
| NI | 8 | PPM | EDXRF | |
| RB | 214 | PPM | EDXRF | |
| SR | 81 | PPM | EDXRF | |
| TH | 30.5 | PPM | EDXRF | |
| U | 4.8 | PPM | EDXRF | |
| V | 27 | PPM | EDXRF | |
| Y | 37 | PPM | EDXRF | |
| ZN | 34 | PPM | EDXRF | |
| ZR | 166 | PPM | EDXRF |