Sample 206
NavDat sample number 17685 · RHYOLITE
Sample
| Sample ID | 206 |
|---|---|
| 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 | 33.9478 |
|---|---|
| Longitude | -107.44 |
| 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 | 77 | WT% | EDXRF | |
| TIO2 | 0.13 | WT% | EDXRF | |
| AL2O3 | 13 | WT% | EDXRF | |
| FEO | 0.87 | WT% | EDXRF | |
| MNO | 0.04 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 0.24 | WT% | EDXRF | |
| NA2O | 2 | WT% | EDXRF | |
| K2O | 6.89 | WT% | EDXRF | |
| TOTAL | 100.17 | WT% | EDXRF | |
| BA | 185 | PPM | EDXRF | |
| CR | 8 | PPM | EDXRF | |
| NI | 5 | PPM | EDXRF | |
| RB | 403 | PPM | EDXRF | |
| SR | 25 | PPM | EDXRF | |
| TH | 29.1 | PPM | EDXRF | |
| U | 5.5 | PPM | EDXRF | |
| V | 10 | PPM | EDXRF | |
| Y | 52 | PPM | EDXRF | |
| ZN | 47 | PPM | EDXRF | |
| ZR | 95 | PPM | EDXRF |