Sample 456
NavDat sample number 17916 · RHYOLITE
Sample
| Sample ID | 456 |
|---|---|
| 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 | 33.3256 |
|---|---|
| Longitude | -108.808 |
| Location | Nabours canyon |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.5 | 23 | 32 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 73 | WT% | EDXRF | |
| TIO2 | 0.31 | WT% | EDXRF | |
| AL2O3 | 12.5 | WT% | EDXRF | |
| FEO | 1.52 | WT% | EDXRF | |
| MNO | 0.05 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 0.5 | WT% | EDXRF | |
| NA2O | 4.5 | WT% | EDXRF | |
| K2O | 4.05 | WT% | EDXRF | |
| TOTAL | 96.43 | WT% | EDXRF | |
| BA | 451 | PPM | EDXRF | |
| CR | 11 | PPM | EDXRF | |
| NI | 6 | PPM | EDXRF | |
| RB | 180 | PPM | EDXRF | |
| SR | 116 | PPM | EDXRF | |
| TH | 25 | PPM | EDXRF | |
| U | 6 | PPM | EDXRF | |
| V | 26 | PPM | EDXRF | |
| Y | 35 | PPM | EDXRF | |
| ZN | 36 | PPM | EDXRF | |
| ZR | 171 | PPM | EDXRF |