Sample 262
NavDat sample number 17736 · RHYOLITE
Sample
| Sample ID | 262 |
|---|---|
| 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 | 32.7583 |
|---|---|
| Longitude | -108.096 |
| Location | Caballo Blanco |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 29.8 | 28.8 | 30.8 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 77 | WT% | EDXRF | |
| TIO2 | 0.18 | WT% | EDXRF | |
| AL2O3 | 13 | WT% | EDXRF | |
| FEO | 1.02 | WT% | EDXRF | |
| MNO | 0.02 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 0.77 | WT% | EDXRF | |
| NA2O | 3.14 | WT% | EDXRF | |
| K2O | 4.56 | WT% | EDXRF | |
| TOTAL | 99.69 | WT% | EDXRF | |
| BA | 637 | PPM | EDXRF | |
| CR | -5 | PPM | EDXRF | |
| HF | 4.6 | PPM | EDXRF | |
| NI | -4 | PPM | EDXRF | |
| RB | 153 | PPM | EDXRF | |
| SC | 2.9 | PPM | EDXRF | |
| SR | 95 | PPM | EDXRF | |
| TA | 1.2 | PPM | EDXRF | |
| TH | 17.3 | PPM | EDXRF | |
| U | 2.4 | PPM | EDXRF | |
| V | 30 | PPM | EDXRF | |
| Y | 27 | PPM | EDXRF | |
| ZN | 24 | PPM | EDXRF | |
| ZR | 114 | PPM | EDXRF | |
| LA | 38.6 | PPM | EDXRF | |
| CE | 80 | PPM | EDXRF | |
| ND | 23 | PPM | EDXRF | |
| SM | 3.6 | PPM | EDXRF | |
| EU | 0.44 | PPM | EDXRF | |
| TB | 0.56 | PPM | EDXRF | |
| YB | 1.59 | PPM | EDXRF | |
| LU | 0.28 | PPM | EDXRF |