Sample 419
NavDat sample number 17881 · RHYOLITE
Sample
| Sample ID | 419 |
|---|---|
| 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 | 33.3931 |
|---|---|
| Longitude | -108.673 |
| 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 | 73 | WT% | EDXRF | |
| TIO2 | 0.3 | WT% | EDXRF | |
| AL2O3 | 14 | WT% | EDXRF | |
| FEO | 1.53 | WT% | EDXRF | |
| MNO | 0.06 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 1.02 | WT% | EDXRF | |
| NA2O | 3.47 | WT% | EDXRF | |
| K2O | 4.72 | WT% | EDXRF | |
| TOTAL | 98.1 | WT% | EDXRF | |
| BA | 149 | PPM | EDXRF | |
| CR | 8.4 | PPM | EDXRF | |
| HF | 6.8 | PPM | EDXRF | |
| NI | 5 | PPM | EDXRF | |
| RB | 211 | PPM | EDXRF | |
| SC | 3.8 | PPM | EDXRF | |
| SR | 93 | PPM | EDXRF | |
| TA | 1.4 | PPM | EDXRF | |
| TH | 23.4 | PPM | EDXRF | |
| U | 5.6 | PPM | EDXRF | |
| V | 30 | PPM | EDXRF | |
| Y | 65 | PPM | EDXRF | |
| ZN | 60 | PPM | EDXRF | |
| ZR | 248 | PPM | EDXRF | |
| LA | 41.1 | PPM | EDXRF | |
| CE | 81 | PPM | EDXRF | |
| ND | 37 | PPM | EDXRF | |
| SM | 11.5 | PPM | EDXRF | |
| EU | 0.6 | PPM | EDXRF | |
| TB | 1.03 | PPM | EDXRF | |
| YB | 4.9 | PPM | EDXRF | |
| LU | 0.82 | PPM | EDXRF |