Sample 270
NavDat sample number 17744 · RHYOLITE
Sample
| Sample ID | 270 |
|---|---|
| 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 | 33.6906 |
|---|---|
| Longitude | -107.946 |
| 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 | 70.15 | WT% | EDXRF | |
| TIO2 | 0.3 | WT% | EDXRF | |
| AL2O3 | 16.9 | WT% | EDXRF | |
| FEO | 1.58 | WT% | EDXRF | |
| MNO | 0.07 | WT% | EDXRF | |
| MGO | 0.67 | WT% | EDXRF | |
| CAO | 1.49 | WT% | EDXRF | |
| NA2O | 3.21 | WT% | EDXRF | |
| K2O | 4.86 | WT% | EDXRF | |
| P2O5 | 0.06 | WT% | EDXRF | |
| TOTAL | 99.29 | WT% | EDXRF | |
| BA | 1084 | PPM | EDXRF | |
| CR | 9.5 | PPM | EDXRF | |
| HF | 5.4 | PPM | EDXRF | |
| NI | 6 | PPM | EDXRF | |
| RB | 114 | PPM | EDXRF | |
| SC | 4 | PPM | EDXRF | |
| SR | 216 | PPM | EDXRF | |
| TA | 0.6 | PPM | EDXRF | |
| TH | 14.9 | PPM | EDXRF | |
| U | 1.6 | PPM | EDXRF | |
| V | 35 | PPM | EDXRF | |
| Y | 23 | PPM | EDXRF | |
| ZN | 29 | PPM | EDXRF | |
| ZR | 180 | PPM | EDXRF | |
| LA | 49.6 | PPM | EDXRF | |
| CE | 80 | PPM | EDXRF | |
| ND | 41 | PPM | EDXRF | |
| SM | 5.1 | PPM | EDXRF | |
| EU | 1.2 | PPM | EDXRF | |
| TB | 0.37 | PPM | EDXRF | |
| YB | 1.91 | PPM | EDXRF | |
| LU | 0.3 | PPM | EDXRF |