Sample 264
NavDat sample number 17738 · RHYOLITE
Sample
| Sample ID | 264 |
|---|---|
| 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 | 32.7578 |
|---|---|
| Longitude | -108.097 |
| 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 | 75 | WT% | EDXRF | |
| TIO2 | 0.31 | WT% | EDXRF | |
| AL2O3 | 13.5 | WT% | EDXRF | |
| FEO | 1.71 | WT% | EDXRF | |
| MNO | 0.06 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 1.4 | WT% | EDXRF | |
| NA2O | 3.35 | WT% | EDXRF | |
| K2O | 4.4 | WT% | EDXRF | |
| TOTAL | 99.73 | WT% | EDXRF | |
| BA | 892 | PPM | EDXRF | |
| CR | -5 | PPM | EDXRF | |
| HF | 4.3 | PPM | EDXRF | |
| NI | 8 | PPM | EDXRF | |
| RB | 117 | PPM | EDXRF | |
| SC | 3.8 | PPM | EDXRF | |
| SR | 196 | PPM | EDXRF | |
| TA | 0.6 | PPM | EDXRF | |
| TH | 15.9 | PPM | EDXRF | |
| U | 1.7 | PPM | EDXRF | |
| V | 34 | PPM | EDXRF | |
| Y | 25 | PPM | EDXRF | |
| ZN | 41 | PPM | EDXRF | |
| ZR | 182 | PPM | EDXRF | |
| LA | 53.2 | PPM | EDXRF | |
| CE | 92 | PPM | EDXRF | |
| ND | 29 | PPM | EDXRF | |
| SM | 5.2 | PPM | EDXRF | |
| EU | 1.45 | PPM | EDXRF | |
| TB | 0.87 | PPM | EDXRF | |
| YB | 2.07 | PPM | EDXRF | |
| LU | 0.37 | PPM | EDXRF |