Sample 400
NavDat sample number 17864 · RHYOLITE
Sample
| Sample ID | 400 |
|---|---|
| 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 | 33.3742 |
|---|---|
| Longitude | -108.671 |
| 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 | 76 | WT% | EDXRF | |
| TIO2 | 0.25 | WT% | EDXRF | |
| AL2O3 | 14 | WT% | EDXRF | |
| FEO | 1.54 | WT% | EDXRF | |
| MNO | 0.04 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 0.78 | WT% | EDXRF | |
| NA2O | 3 | WT% | EDXRF | |
| K2O | 4.82 | WT% | EDXRF | |
| TOTAL | 100.43 | WT% | EDXRF | |
| BA | 166 | PPM | EDXRF | |
| CR | 9.3 | PPM | EDXRF | |
| HF | 9.9 | PPM | EDXRF | |
| NI | 5 | PPM | EDXRF | |
| RB | 206 | PPM | EDXRF | |
| SC | 4.4 | PPM | EDXRF | |
| SR | 102 | PPM | EDXRF | |
| TA | 2.1 | PPM | EDXRF | |
| TH | 27.2 | PPM | EDXRF | |
| U | 5.9 | PPM | EDXRF | |
| V | 16 | PPM | EDXRF | |
| Y | 71 | PPM | EDXRF | |
| ZN | 58 | PPM | EDXRF | |
| ZR | 247 | PPM | EDXRF | |
| LA | 33.1 | PPM | EDXRF | |
| CE | 70 | PPM | EDXRF | |
| ND | 29 | PPM | EDXRF | |
| SM | 8.9 | PPM | EDXRF | |
| EU | 0.59 | PPM | EDXRF | |
| TB | 1.15 | PPM | EDXRF | |
| YB | 5.32 | PPM | EDXRF | |
| LU | 0.89 | PPM | EDXRF |