Sample 340
NavDat sample number 17806 · RHYODACITE
Sample
| Sample ID | 340 |
|---|---|
| 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 | 33.0936 |
|---|---|
| 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 | 68 | WT% | EDXRF | |
| TIO2 | 0.5 | WT% | EDXRF | |
| AL2O3 | 15.5 | WT% | EDXRF | |
| FEO | 2.54 | WT% | EDXRF | |
| MNO | 0.08 | WT% | EDXRF | |
| MGO | 2 | WT% | EDXRF | |
| CAO | 1.76 | WT% | EDXRF | |
| NA2O | 4.85 | WT% | EDXRF | |
| K2O | 4.43 | WT% | EDXRF | |
| TOTAL | 99.66 | WT% | EDXRF | |
| BA | 752 | PPM | EDXRF | |
| CR | 6.7 | PPM | EDXRF | |
| HF | 7.5 | PPM | EDXRF | |
| NI | 9 | PPM | EDXRF | |
| RB | 156 | PPM | EDXRF | |
| SC | 5.9 | PPM | EDXRF | |
| SR | 258 | PPM | EDXRF | |
| TA | 1.3 | PPM | EDXRF | |
| TH | 18.9 | PPM | EDXRF | |
| U | 4.6 | PPM | EDXRF | |
| V | 37 | PPM | EDXRF | |
| Y | 41 | PPM | EDXRF | |
| ZN | 55 | PPM | EDXRF | |
| ZR | 332 | PPM | EDXRF | |
| LA | 49.3 | PPM | EDXRF | |
| CE | 84 | PPM | EDXRF | |
| ND | 50 | PPM | EDXRF | |
| EU | 1.74 | PPM | EDXRF | |
| TB | 0.12 | PPM | EDXRF | |
| YB | 2.82 | PPM | EDXRF | |
| LU | 0.44 | PPM | EDXRF |