Sample 451
NavDat sample number 17911 · RHYOLITE
Sample
| Sample ID | 451 |
|---|---|
| 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 | 33.3761 |
|---|---|
| Longitude | -108.454 |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27 | 23 | 31 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 78 | WT% | EDXRF | |
| TIO2 | 0.12 | WT% | EDXRF | |
| AL2O3 | 12.5 | WT% | EDXRF | |
| FEO | 0.86 | WT% | EDXRF | |
| MNO | 0.06 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 0.27 | WT% | EDXRF | |
| NA2O | 3 | WT% | EDXRF | |
| K2O | 5 | WT% | EDXRF | |
| TOTAL | 99.81 | WT% | EDXRF | |
| BA | -50 | PPM | EDXRF | |
| CR | 6 | PPM | EDXRF | |
| NI | -4 | PPM | EDXRF | |
| RB | 245 | PPM | EDXRF | |
| SR | 29 | PPM | EDXRF | |
| TH | 32.4 | PPM | EDXRF | |
| U | 5 | PPM | EDXRF | |
| V | -10 | PPM | EDXRF | |
| Y | 47 | PPM | EDXRF | |
| ZN | 36 | PPM | EDXRF | |
| ZR | 156 | PPM | EDXRF |