Sample 331
NavDat sample number 17797 · RHYODACITE
Sample
| Sample ID | 331 |
|---|---|
| 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 | 33.6939 |
|---|---|
| Longitude | -107.745 |
| Location | N Black range |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 28 | 25 | 32 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 69 | WT% | EDXRF | |
| TIO2 | 0.54 | WT% | EDXRF | |
| AL2O3 | 14.5 | WT% | EDXRF | |
| FEO | 1.88 | WT% | EDXRF | |
| MNO | 0.1 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 1.1 | WT% | EDXRF | |
| NA2O | 3.5 | WT% | EDXRF | |
| K2O | 4.96 | WT% | EDXRF | |
| TOTAL | 95.58 | WT% | EDXRF | |
| BA | 1782 | PPM | EDXRF | |
| CR | 12 | PPM | EDXRF | |
| NI | 10 | PPM | EDXRF | |
| RB | 160 | PPM | EDXRF | |
| SR | 224 | PPM | EDXRF | |
| TH | 19.9 | PPM | EDXRF | |
| U | 3.9 | PPM | EDXRF | |
| V | 40 | PPM | EDXRF | |
| Y | 54 | PPM | EDXRF | |
| ZN | 79 | PPM | EDXRF | |
| ZR | 540 | PPM | EDXRF |