Sample 181
NavDat sample number 17663 · RHYOLITE
Sample
| Sample ID | 181 |
|---|---|
| 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 | 32.7461 |
|---|---|
| Longitude | -107.841 |
| Location | Mimbres peak |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 32 | 31 | 33 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 71 | WT% | EDXRF | |
| TIO2 | 0.43 | WT% | EDXRF | |
| AL2O3 | 15.5 | WT% | EDXRF | |
| FEO | 15.5 | WT% | EDXRF | |
| FE2O3 | 1.89 | WT% | EDXRF | |
| MNO | 0.01 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 1.81 | WT% | EDXRF | |
| NA2O | 3 | WT% | EDXRF | |
| K2O | 4.69 | WT% | EDXRF | |
| TOTAL | 98.33 | WT% | EDXRF | |
| BA | 1398 | PPM | EDXRF | |
| CR | 13 | PPM | EDXRF | |
| NI | 11 | PPM | EDXRF | |
| RB | 220 | PPM | EDXRF | |
| SR | 248 | PPM | EDXRF | |
| TH | 25.6 | PPM | EDXRF | |
| U | 3.7 | PPM | EDXRF | |
| V | 40 | PPM | EDXRF | |
| Y | 32 | PPM | EDXRF | |
| ZN | 49 | PPM | EDXRF | |
| ZR | 260 | PPM | EDXRF |