Sample 341
NavDat sample number 17807 · RHYOLITE
Sample
| Sample ID | 341 |
|---|---|
| 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 | 33.092 |
|---|---|
| Longitude | -108.485 |
| 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 | 73 | WT% | EDXRF | |
| TIO2 | 0.27 | WT% | EDXRF | |
| AL2O3 | 15 | WT% | EDXRF | |
| FEO | 1.51 | WT% | EDXRF | |
| MNO | 0.04 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 0.8 | WT% | EDXRF | |
| NA2O | 4.4 | WT% | EDXRF | |
| K2O | 5.6 | WT% | EDXRF | |
| TOTAL | 100.62 | WT% | EDXRF | |
| BA | 378 | PPM | EDXRF | |
| CR | -1 | PPM | EDXRF | |
| HF | 6.9 | PPM | EDXRF | |
| NI | 4 | PPM | EDXRF | |
| RB | 196 | PPM | EDXRF | |
| SC | 3.1 | PPM | EDXRF | |
| SR | 163 | PPM | EDXRF | |
| TA | 1.2 | PPM | EDXRF | |
| TH | 23.3 | PPM | EDXRF | |
| U | 5.1 | PPM | EDXRF | |
| V | 27 | PPM | EDXRF | |
| Y | 42 | PPM | EDXRF | |
| ZN | 31 | PPM | EDXRF | |
| ZR | 204 | PPM | EDXRF | |
| LA | 50.9 | PPM | EDXRF | |
| CE | 87 | PPM | EDXRF | |
| ND | 25 | PPM | EDXRF | |
| EU | 0.68 | PPM | EDXRF | |
| TB | 0.55 | PPM | EDXRF | |
| YB | 2.79 | PPM | EDXRF | |
| LU | 0.51 | PPM | EDXRF |