Sample 223
NavDat sample number 17702 · RHYOLITE
Sample
| Sample ID | 223 |
|---|---|
| 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 | 33.4725 |
|---|---|
| Longitude | -107.513 |
| Location | Shipman Canyon |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 31.5 | 28.9 | 34.1 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 73 | WT% | EDXRF | |
| TIO2 | 0.18 | WT% | EDXRF | |
| AL2O3 | 13 | WT% | EDXRF | |
| FEO | 1.97 | WT% | EDXRF | |
| MNO | 0.14 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 0.27 | WT% | EDXRF | |
| NA2O | 4 | WT% | EDXRF | |
| K2O | 4.47 | WT% | EDXRF | |
| TOTAL | 97.03 | WT% | EDXRF | |
| BA | 140 | PPM | EDXRF | |
| CR | 13 | PPM | EDXRF | |
| NI | 11 | PPM | EDXRF | |
| RB | 497 | PPM | EDXRF | |
| SR | 19 | PPM | EDXRF | |
| TH | 71.2 | PPM | EDXRF | |
| U | 13.6 | PPM | EDXRF | |
| V | 16 | PPM | EDXRF | |
| Y | 73 | PPM | EDXRF | |
| ZN | 184 | PPM | EDXRF | |
| ZR | 713 | PPM | EDXRF |