Sample 217
NavDat sample number 17696 · RHYOLITE
Sample
| Sample ID | 217 |
|---|---|
| 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 | 34.1644 |
|---|---|
| Longitude | -109.821 |
| Location | A-L peak |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 31.8 | 28 | 35 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 73 | WT% | EDXRF | |
| TIO2 | 0.31 | WT% | EDXRF | |
| AL2O3 | 13.5 | WT% | EDXRF | |
| FEO | 1.64 | WT% | EDXRF | |
| MNO | 0.07 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 0.7 | WT% | EDXRF | |
| NA2O | 4 | WT% | EDXRF | |
| K2O | 5.14 | WT% | EDXRF | |
| TOTAL | 98.36 | WT% | EDXRF | |
| BA | -50 | PPM | EDXRF | |
| CR | 14 | PPM | EDXRF | |
| NI | 8 | PPM | EDXRF | |
| RB | 163 | PPM | EDXRF | |
| SR | 65 | PPM | EDXRF | |
| U | 5.2 | PPM | EDXRF | |
| V | 25 | PPM | EDXRF | |
| Y | 52 | PPM | EDXRF | |
| ZN | 68 | PPM | EDXRF | |
| ZR | 398 | PPM | EDXRF |