Sample 402
NavDat sample number 17866 · RHYOLITE
Sample
| Sample ID | 402 |
|---|---|
| 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 | 33.3986 |
|---|---|
| Longitude | -108.59 |
| Location | Apache springs |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.3 | 26.5 | 28.1 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 71 | WT% | EDXRF | |
| TIO2 | 0.52 | WT% | EDXRF | |
| AL2O3 | 15.5 | WT% | EDXRF | |
| FEO | 1.97 | WT% | EDXRF | |
| MNO | 0.05 | WT% | EDXRF | |
| MGO | 1 | WT% | EDXRF | |
| CAO | 1.13 | WT% | EDXRF | |
| NA2O | 3 | WT% | EDXRF | |
| K2O | 5.39 | WT% | EDXRF | |
| TOTAL | 99.56 | WT% | EDXRF | |
| BA | 699 | PPM | EDXRF | |
| CR | 7.2 | PPM | EDXRF | |
| HF | 10.2 | PPM | EDXRF | |
| NI | 10 | PPM | EDXRF | |
| RB | 212 | PPM | EDXRF | |
| SC | 7.2 | PPM | EDXRF | |
| SR | 138 | PPM | EDXRF | |
| TA | 1.3 | PPM | EDXRF | |
| TH | 23.9 | PPM | EDXRF | |
| U | 6.3 | PPM | EDXRF | |
| V | 33 | PPM | EDXRF | |
| Y | 58 | PPM | EDXRF | |
| ZN | 60 | PPM | EDXRF | |
| ZR | 334 | PPM | EDXRF | |
| LA | 73.8 | PPM | EDXRF | |
| CE | 115 | PPM | EDXRF | |
| ND | 60 | PPM | EDXRF | |
| SM | 14.2 | PPM | EDXRF | |
| EU | 1.58 | PPM | EDXRF | |
| TB | 1.47 | PPM | EDXRF | |
| YB | 4.91 | PPM | EDXRF | |
| LU | 0.79 | PPM | EDXRF |