Sample 476
NavDat sample number 17925 · RHYOLITE
Sample
| Sample ID | 476 |
|---|---|
| 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 | 33.1153 |
|---|---|
| Longitude | -108.005 |
| Location | Rocky canyon |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 26 | 23 | 30 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| BA | -50 | PPM | EDXRF | |
| CR | -5 | PPM | EDXRF | |
| HF | 7.7 | PPM | EDXRF | |
| NI | -4 | PPM | EDXRF | |
| RB | 225 | PPM | EDXRF | |
| SC | 3.5 | PPM | EDXRF | |
| SR | 12 | PPM | EDXRF | |
| TA | 1.9 | PPM | EDXRF | |
| TH | 24.1 | PPM | EDXRF | |
| V | 15 | PPM | EDXRF | |
| Y | 62 | PPM | EDXRF | |
| ZN | 70 | PPM | EDXRF | |
| ZR | 183 | PPM | EDXRF | |
| LA | 60.7 | PPM | EDXRF | |
| CE | 120 | PPM | EDXRF | |
| ND | 60 | PPM | EDXRF | |
| SM | 13.6 | PPM | EDXRF | |
| EU | 0.85 | PPM | EDXRF | |
| TB | 1.6 | PPM | EDXRF | |
| YB | 6.81 | PPM | EDXRF | |
| LU | 1.05 | PPM | EDXRF | |
| SIO2 | 74.4 | WT% | EDXRF | |
| TIO2 | 0.17 | WT% | EDXRF | |
| AL2O3 | 12.4 | WT% | EDXRF | |
| FEO | 0.04 | WT% | EDXRF | |
| FE2O3 | 1.3 | WT% | EDXRF | |
| MNO | 0.07 | WT% | EDXRF | |
| MGO | 0.08 | WT% | EDXRF | |
| CAO | 0.49 | WT% | EDXRF | |
| NA2O | 3.2 | WT% | EDXRF | |
| K2O | 5 | WT% | EDXRF | |
| H2O_PLUS | 0.79 | WT% | EDXRF | |
| TOTAL | 98.09 | WT% | EDXRF |