Sample 225
NavDat sample number 17704 · RHYOLITE
Sample
| Sample ID | 225 |
|---|---|
| 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 | 32.7589 |
|---|---|
| Longitude | -108.095 |
| Location | Box 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 | 75 | WT% | EDXRF | |
| TIO2 | 0.33 | WT% | EDXRF | |
| AL2O3 | 13.5 | WT% | EDXRF | |
| FEO | 1.93 | WT% | EDXRF | |
| MNO | 0.05 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 1.53 | WT% | EDXRF | |
| NA2O | 3.43 | WT% | EDXRF | |
| K2O | 4.43 | WT% | EDXRF | |
| TOTAL | 100.19 | WT% | EDXRF | |
| BA | 635 | PPM | EDXRF | |
| CR | -5 | PPM | EDXRF | |
| HF | 7.1 | PPM | EDXRF | |
| NI | 7 | PPM | EDXRF | |
| RB | 199 | PPM | EDXRF | |
| SC | 4.4 | PPM | EDXRF | |
| SR | 186 | PPM | EDXRF | |
| TA | 0.9 | PPM | EDXRF | |
| TH | 17.8 | PPM | EDXRF | |
| U | 2.7 | PPM | EDXRF | |
| V | 32 | PPM | EDXRF | |
| Y | 47 | PPM | EDXRF | |
| ZN | 43 | PPM | EDXRF | |
| ZR | 220 | PPM | EDXRF | |
| LA | 51.6 | PPM | EDXRF | |
| CE | 112 | PPM | EDXRF | |
| SM | 8.4 | PPM | EDXRF | |
| EU | 1.33 | PPM | EDXRF | |
| TB | 0.95 | PPM | EDXRF | |
| YB | 4.74 | PPM | EDXRF | |
| LU | 0.63 | PPM | EDXRF |