Sample 76
NavDat sample number 17578 · RHYOLITE
Sample
| Sample ID | 76 |
|---|---|
| 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 | 34.1561 |
|---|---|
| Longitude | -107.85 |
| Location | Datil Well |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 34.6 | 31 | 37 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 70 | WT% | EDXRF | |
| TIO2 | 0.32 | WT% | EDXRF | |
| AL2O3 | 16 | WT% | EDXRF | |
| FEO | 1.36 | WT% | EDXRF | |
| MNO | 0.05 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 1.18 | WT% | EDXRF | |
| NA2O | 4 | WT% | EDXRF | |
| K2O | 5.88 | WT% | EDXRF | |
| TOTAL | 98.79 | WT% | EDXRF | |
| BA | 481 | PPM | EDXRF | |
| CR | 10 | PPM | EDXRF | |
| NI | 4 | PPM | EDXRF | |
| RB | 215 | PPM | EDXRF | |
| SR | 63 | PPM | EDXRF | |
| U | 4.6 | PPM | EDXRF | |
| V | 27 | PPM | EDXRF | |
| Y | 45 | PPM | EDXRF | |
| ZN | 35 | PPM | EDXRF | |
| ZR | 349 | PPM | EDXRF |