Sample 219
NavDat sample number 17698 · RHYOLITE
Sample
| Sample ID | 219 |
|---|---|
| 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 | 33.6572 |
|---|---|
| Longitude | -107.344 |
| Location | Springtime 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 | 77 | WT% | EDXRF | |
| TIO2 | 0.43 | WT% | EDXRF | |
| AL2O3 | 12.5 | WT% | EDXRF | |
| FEO | 1.68 | WT% | EDXRF | |
| MNO | 0.08 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 0.44 | WT% | EDXRF | |
| NA2O | 2.5 | WT% | EDXRF | |
| K2O | 4.85 | WT% | EDXRF | |
| TOTAL | 99.48 | WT% | EDXRF | |
| BA | -50 | PPM | EDXRF | |
| CR | 16 | PPM | EDXRF | |
| NI | 8 | PPM | EDXRF | |
| RB | 73 | PPM | EDXRF | |
| SR | 41 | PPM | EDXRF | |
| TH | 18.3 | PPM | EDXRF | |
| U | 8.4 | PPM | EDXRF | |
| V | 29 | PPM | EDXRF | |
| Y | 44 | PPM | EDXRF | |
| ZN | 84 | PPM | EDXRF | |
| ZR | 680 | PPM | EDXRF |