Sample 658
NavDat sample number 18068 · RHYOLITE
Sample
| Sample ID | 658 |
|---|---|
| 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 | 33.1092 |
|---|---|
| Longitude | -109.044 |
| Location | Mule mountain |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 18.6 | 16 | 20 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 77 | WT% | EDXRF | |
| TIO2 | 0.1 | WT% | EDXRF | |
| AL2O3 | 12.5 | WT% | EDXRF | |
| FEO | 0.95 | WT% | EDXRF | |
| MNO | 0.02 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 0.46 | WT% | EDXRF | |
| NA2O | 2.5 | WT% | EDXRF | |
| K2O | 4.68 | WT% | EDXRF | |
| TOTAL | 98.21 | WT% | EDXRF | |
| BA | 144 | PPM | EDXRF | |
| CR | 9 | PPM | EDXRF | |
| NI | -4 | PPM | EDXRF | |
| RB | 207 | PPM | EDXRF | |
| SR | 30 | PPM | EDXRF | |
| TH | 26.6 | PPM | EDXRF | |
| U | 4.8 | PPM | EDXRF | |
| V | 13 | PPM | EDXRF | |
| Y | 40 | PPM | EDXRF | |
| ZN | 28 | PPM | EDXRF | |
| ZR | 91 | PPM | EDXRF |