Sample 479
NavDat sample number 17928 · RHYOLITE
Sample
| Sample ID | 479 |
|---|---|
| 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 | -108.006 |
| 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 |
|---|---|---|---|---|
| SIO2 | 77 | WT% | EDXRF | |
| TIO2 | 0.16 | WT% | EDXRF | |
| AL2O3 | 12 | WT% | EDXRF | |
| FEO | 1.04 | WT% | EDXRF | |
| MNO | 0.04 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 0.28 | WT% | EDXRF | |
| NA2O | 3.57 | WT% | EDXRF | |
| K2O | 4.86 | WT% | EDXRF | |
| TOTAL | 98.95 | WT% | EDXRF | |
| BA | 166 | PPM | EDXRF | |
| CR | -5 | PPM | EDXRF | |
| HF | 8.2 | PPM | EDXRF | |
| NI | -4 | PPM | EDXRF | |
| RB | 249 | PPM | EDXRF | |
| SC | 3.5 | PPM | EDXRF | |
| SR | 13 | PPM | EDXRF | |
| TA | 2 | PPM | EDXRF | |
| TH | 24.6 | PPM | EDXRF | |
| U | 5.3 | PPM | EDXRF | |
| V | 13 | PPM | EDXRF | |
| Y | 51 | PPM | EDXRF | |
| ZN | 56 | PPM | EDXRF | |
| ZR | 164 | PPM | EDXRF | |
| LA | 57.2 | PPM | EDXRF | |
| CE | 129 | PPM | EDXRF | |
| SM | 10.6 | PPM | EDXRF | |
| EU | 1.18 | PPM | EDXRF | |
| TB | 1.36 | PPM | EDXRF | |
| YB | 4.94 | PPM | EDXRF | |
| LU | 0.79 | PPM | EDXRF |