Sample 581
NavDat sample number 18006 · RHYODACITE
Sample
| Sample ID | 581 |
|---|---|
| Rock name | RHYODACITE |
| 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 | 33.9889 |
|---|---|
| Longitude | -108.073 |
| Location | Horse mountain |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 22.5 | 20.5 | 24.5 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 70 | WT% | EDXRF | |
| TIO2 | 0.43 | WT% | EDXRF | |
| AL2O3 | 14 | WT% | EDXRF | |
| FEO | 3.02 | WT% | EDXRF | |
| MNO | 0.05 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 2.02 | WT% | EDXRF | |
| NA2O | 3.43 | WT% | EDXRF | |
| K2O | 4.1 | WT% | EDXRF | |
| BA | 561 | PPM | EDXRF | |
| CR | 8.2 | PPM | EDXRF | |
| HF | 5.5 | PPM | EDXRF | |
| NI | 10 | PPM | EDXRF | |
| RB | 146 | PPM | EDXRF | |
| SC | 6.4 | PPM | EDXRF | |
| SR | 159 | PPM | EDXRF | |
| TA | 1.9 | PPM | EDXRF | |
| TH | 13.9 | PPM | EDXRF | |
| U | 3.9 | PPM | EDXRF | |
| V | 41 | PPM | EDXRF | |
| Y | 38 | PPM | EDXRF | |
| ZN | 49 | PPM | EDXRF | |
| ZR | 195 | PPM | EDXRF | |
| LA | 39.7 | PPM | EDXRF | |
| CE | 80 | PPM | EDXRF | |
| ND | 30 | PPM | EDXRF | |
| SM | 6.4 | PPM | EDXRF | |
| EU | 1.31 | PPM | EDXRF | |
| TB | 1.36 | PPM | EDXRF | |
| YB | 3.2 | PPM | EDXRF | |
| LU | 0.57 | PPM | EDXRF |