Sample 302
NavDat sample number 17776 · RHYOLITE
Sample
| Sample ID | 302 |
|---|---|
| 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 | 33.3853 |
|---|---|
| Longitude | -108.839 |
| Location | Davis canyon |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 29.2 | 28.2 | 30.2 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 73 | WT% | EDXRF | |
| TIO2 | 0.05 | WT% | EDXRF | |
| AL2O3 | 17 | WT% | EDXRF | |
| FEO | 0.95 | WT% | EDXRF | |
| MNO | 0.05 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 0.14 | WT% | EDXRF | |
| NA2O | 3.42 | WT% | EDXRF | |
| K2O | 5.73 | WT% | EDXRF | |
| TOTAL | 100.34 | WT% | EDXRF | |
| BA | 283 | PPM | EDXRF | |
| CR | -5 | PPM | EDXRF | |
| HF | 3.2 | PPM | EDXRF | |
| NI | -4 | PPM | EDXRF | |
| RB | 212 | PPM | EDXRF | |
| SC | 3.2 | PPM | EDXRF | |
| SR | 46 | PPM | EDXRF | |
| TA | 1.1 | PPM | EDXRF | |
| TH | 19.6 | PPM | EDXRF | |
| U | 3 | PPM | EDXRF | |
| V | -10 | PPM | EDXRF | |
| Y | 33 | PPM | EDXRF | |
| ZN | 52 | PPM | EDXRF | |
| ZR | 94 | PPM | EDXRF | |
| LA | 31.4 | PPM | EDXRF | |
| CE | 60 | PPM | EDXRF | |
| SM | 4 | PPM | EDXRF | |
| EU | 0.68 | PPM | EDXRF | |
| TB | 0.77 | PPM | EDXRF | |
| YB | 3.45 | PPM | EDXRF | |
| LU | 0.58 | PPM | EDXRF |