Sample 562
NavDat sample number 17989 · RHYOLITE
Sample
| Sample ID | 562 |
|---|---|
| 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 | 33.5439 |
|---|---|
| Longitude | -108.88 |
| Location | Indian peaks |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 23 | 21 | 26 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 73 | WT% | EDXRF | |
| TIO2 | 0.1 | WT% | EDXRF | |
| AL2O3 | 13 | WT% | EDXRF | |
| FEO | 0.84 | WT% | EDXRF | |
| MNO | 0.06 | WT% | EDXRF | |
| MGO | 1 | WT% | EDXRF | |
| CAO | 0.22 | WT% | EDXRF | |
| NA2O | 3.5 | WT% | EDXRF | |
| K2O | 5.22 | WT% | EDXRF | |
| TOTAL | 96.94 | WT% | EDXRF | |
| BA | -50 | PPM | EDXRF | |
| CR | 10 | PPM | EDXRF | |
| NI | 4 | PPM | EDXRF | |
| RB | 386 | PPM | EDXRF | |
| SR | 4 | PPM | EDXRF | |
| U | 9 | PPM | EDXRF | |
| V | -10 | PPM | EDXRF | |
| Y | 78 | PPM | EDXRF | |
| ZN | 51 | PPM | EDXRF | |
| ZR | 128 | PPM | EDXRF |