Sample 252
NavDat sample number 17730 · RHYOLITE
Sample
| Sample ID | 252 |
|---|---|
| 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 | 33.9319 |
|---|---|
| Longitude | -108.26 |
| Location | Wye Hill |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 30.3 | 26.7 | 34.3 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 71.06 | WT% | EDXRF | |
| TIO2 | 0.46 | WT% | EDXRF | |
| AL2O3 | 14.5 | WT% | EDXRF | |
| FEO | 0.69 | WT% | EDXRF | |
| FE2O3 | 2.08 | WT% | EDXRF | |
| MNO | 0.09 | WT% | EDXRF | |
| MGO | 0.32 | WT% | EDXRF | |
| CAO | 0.07 | WT% | EDXRF | |
| NA2O | 3.89 | WT% | EDXRF | |
| K2O | 5.6 | WT% | EDXRF | |
| P2O5 | 0.08 | WT% | EDXRF | |
| H2O_PLUS | 0.44 | WT% | EDXRF | |
| TOTAL | 99.28 | WT% | EDXRF | |
| BA | 499 | PPM | EDXRF | |
| CR | 7.5 | PPM | EDXRF | |
| HF | 19.4 | PPM | EDXRF | |
| NI | 14 | PPM | EDXRF | |
| RB | 127 | PPM | EDXRF | |
| SC | 10.2 | PPM | EDXRF | |
| SR | 6 | PPM | EDXRF | |
| TA | 15.2 | PPM | EDXRF | |
| TH | 15.2 | PPM | EDXRF | |
| U | 6.1 | PPM | EDXRF | |
| V | 33 | PPM | EDXRF | |
| Y | 63 | PPM | EDXRF | |
| ZN | -15 | PPM | EDXRF | |
| ZR | 849 | PPM | EDXRF | |
| LA | 63.8 | PPM | EDXRF | |
| CE | 123 | PPM | EDXRF | |
| ND | 53 | PPM | EDXRF | |
| SM | 14.4 | PPM | EDXRF | |
| EU | 5.25 | PPM | EDXRF | |
| TB | 1.72 | PPM | EDXRF | |
| YB | 6.23 | PPM | EDXRF | |
| LU | 0.98 | PPM | EDXRF |