Sample 401
NavDat sample number 17865 · RHYOLITE
Sample
| Sample ID | 401 |
|---|---|
| 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 | 33.3864 |
|---|---|
| Longitude | -108.632 |
| 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 | 75 | WT% | EDXRF | |
| TIO2 | 0.25 | WT% | EDXRF | |
| AL2O3 | 13 | WT% | EDXRF | |
| FEO | 1.39 | WT% | EDXRF | |
| MNO | 0.05 | WT% | EDXRF | |
| MGO | 1 | WT% | EDXRF | |
| CAO | 0.54 | WT% | EDXRF | |
| NA2O | 3.5 | WT% | EDXRF | |
| K2O | 4.57 | WT% | EDXRF | |
| TOTAL | 99.3 | WT% | EDXRF | |
| BA | 187 | PPM | EDXRF | |
| CR | 15 | PPM | EDXRF | |
| HF | 10.3 | PPM | EDXRF | |
| NI | 4 | PPM | EDXRF | |
| RB | 224 | PPM | EDXRF | |
| SC | 4.6 | PPM | EDXRF | |
| SR | 69 | PPM | EDXRF | |
| TA | 1.7 | PPM | EDXRF | |
| TH | 24.1 | PPM | EDXRF | |
| U | 5.9 | PPM | EDXRF | |
| V | 17 | PPM | EDXRF | |
| Y | 61 | PPM | EDXRF | |
| ZN | 68 | PPM | EDXRF | |
| ZR | 203 | PPM | EDXRF | |
| LA | 55 | PPM | EDXRF | |
| CE | 89 | PPM | EDXRF | |
| ND | 35 | PPM | EDXRF | |
| SM | 15 | PPM | EDXRF | |
| EU | 0.76 | PPM | EDXRF | |
| TB | 2.08 | PPM | EDXRF | |
| YB | 6.32 | PPM | EDXRF | |
| LU | 0.98 | PPM | EDXRF |