Sample 422
NavDat sample number 17884 · RHYODACITE
Sample
| Sample ID | 422 |
|---|---|
| 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 | 33.2722 |
|---|---|
| Longitude | -108.408 |
| Location | Apache springs |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.3 | 26.5 | 28.1 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 68 | WT% | EDXRF | |
| TIO2 | 0.32 | WT% | EDXRF | |
| AL2O3 | 14.5 | WT% | EDXRF | |
| FEO | 1.51 | WT% | EDXRF | |
| MNO | 0.06 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 1.07 | WT% | EDXRF | |
| NA2O | 4 | WT% | EDXRF | |
| K2O | 5.35 | WT% | EDXRF | |
| TOTAL | 94.81 | WT% | EDXRF | |
| BA | 998 | PPM | EDXRF | |
| CR | 6.4 | PPM | EDXRF | |
| HF | 10.9 | PPM | EDXRF | |
| NI | 5 | PPM | EDXRF | |
| RB | 187 | PPM | EDXRF | |
| SC | 6.1 | PPM | EDXRF | |
| SR | 63 | PPM | EDXRF | |
| TA | 1.8 | PPM | EDXRF | |
| TH | 20.7 | PPM | EDXRF | |
| V | 24 | PPM | EDXRF | |
| Y | 71 | PPM | EDXRF | |
| ZN | 61 | PPM | EDXRF | |
| ZR | 385 | PPM | EDXRF | |
| CE | 170 | PPM | EDXRF | |
| EU | 2.06 | PPM | EDXRF | |
| TB | 2.33 | PPM | EDXRF | |
| YB | 0.31 | PPM | EDXRF | |
| LU | 1.45 | PPM | EDXRF |