Sample 486
NavDat sample number 17935 · RHYOLITE
Sample
| Sample ID | 486 |
|---|---|
| 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 | 33.5694 |
|---|---|
| Longitude | -108.246 |
| Location | Jerky mountain |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 26 | 23 | 30 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 77 | WT% | EDXRF | |
| TIO2 | 0.16 | WT% | EDXRF | |
| AL2O3 | 12 | WT% | EDXRF | |
| FEO | 0.92 | WT% | EDXRF | |
| MNO | 0.04 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 0.08 | WT% | EDXRF | |
| NA2O | 3 | WT% | EDXRF | |
| K2O | 4.72 | WT% | EDXRF | |
| TOTAL | 97.92 | WT% | EDXRF | |
| BA | -50 | PPM | EDXRF | |
| CR | 6 | PPM | EDXRF | |
| NI | 4 | PPM | EDXRF | |
| RB | 270 | PPM | EDXRF | |
| TA | 4 | PPM | EDXRF | |
| TH | 38.2 | PPM | EDXRF | |
| U | 6.1 | PPM | EDXRF | |
| V | 10 | PPM | EDXRF | |
| Y | 55 | PPM | EDXRF | |
| ZN | 52 | PPM | EDXRF | |
| ZR | 187 | PPM | EDXRF |