Sample 78
NavDat sample number 17580 · RHYOLITE
Sample
| Sample ID | 78 |
|---|---|
| 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 | 34.1803 |
|---|---|
| Longitude | -107.93 |
| 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 | 72 | WT% | EDXRF | |
| TIO2 | 0.31 | WT% | EDXRF | |
| AL2O3 | 13.5 | WT% | EDXRF | |
| FEO | 1.46 | WT% | EDXRF | |
| MNO | 0.03 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 0.52 | WT% | EDXRF | |
| NA2O | 3.5 | WT% | EDXRF | |
| K2O | 5.89 | WT% | EDXRF | |
| TOTAL | 97.21 | WT% | EDXRF | |
| BA | 530 | PPM | EDXRF | |
| CR | 10 | PPM | EDXRF | |
| NI | 8 | PPM | EDXRF | |
| RB | 213 | PPM | EDXRF | |
| SR | 47 | PPM | EDXRF | |
| TH | 25.9 | PPM | EDXRF | |
| U | 6 | PPM | EDXRF | |
| V | 27 | PPM | EDXRF | |
| Y | 45 | PPM | EDXRF | |
| ZN | 59 | PPM | EDXRF | |
| ZR | 317 | PPM | EDXRF |