Sample 339
NavDat sample number 17805 · RHYODACITE
Sample
| Sample ID | 339 |
|---|---|
| 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 | 33.095 |
|---|---|
| Longitude | -108.484 |
| Location | Shelley peak |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.7 | 26 | 29 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 69 | WT% | EDXRF | |
| TIO2 | 0.48 | WT% | EDXRF | |
| AL2O3 | 15 | WT% | EDXRF | |
| FEO | 2.6 | WT% | EDXRF | |
| MNO | 0.09 | WT% | EDXRF | |
| MGO | 1 | WT% | EDXRF | |
| CAO | 1.89 | WT% | EDXRF | |
| NA2O | 4 | WT% | EDXRF | |
| K2O | 4.67 | WT% | EDXRF | |
| TOTAL | 98.73 | WT% | EDXRF | |
| BA | 598 | PPM | EDXRF | |
| CR | 14 | PPM | EDXRF | |
| HF | 10 | PPM | EDXRF | |
| NI | 9 | PPM | EDXRF | |
| RB | 174 | PPM | EDXRF | |
| SC | 5.8 | PPM | EDXRF | |
| SR | 188 | PPM | EDXRF | |
| TA | 1 | PPM | EDXRF | |
| TH | 17.9 | PPM | EDXRF | |
| U | 4.2 | PPM | EDXRF | |
| V | 36 | PPM | EDXRF | |
| Y | 41 | PPM | EDXRF | |
| ZN | 46 | PPM | EDXRF | |
| ZR | 327 | PPM | EDXRF | |
| LA | 53.2 | PPM | EDXRF | |
| CE | 79 | PPM | EDXRF | |
| ND | 54 | PPM | EDXRF | |
| SM | -0.5 | PPM | EDXRF | |
| EU | 1.36 | PPM | EDXRF | |
| TB | 0.12 | PPM | EDXRF | |
| YB | 2.24 | PPM | EDXRF | |
| LU | 0.45 | PPM | EDXRF |