Sample 216
NavDat sample number 17695 · RHYOLITE
Sample
| Sample ID | 216 |
|---|---|
| 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 | 34.2242 |
|---|---|
| Longitude | -107.746 |
| Location | A-L peak |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 31.8 | 28 | 35 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 72 | WT% | EDXRF | |
| TIO2 | 0.33 | WT% | EDXRF | |
| AL2O3 | 14 | WT% | EDXRF | |
| FEO | 1.74 | WT% | EDXRF | |
| MNO | 0.07 | WT% | EDXRF | |
| MGO | 1.5 | WT% | EDXRF | |
| CAO | 0.74 | WT% | EDXRF | |
| NA2O | 4.51 | WT% | EDXRF | |
| K2O | 5.15 | WT% | EDXRF | |
| TOTAL | 100.04 | WT% | EDXRF | |
| BA | 143 | PPM | EDXRF | |
| CR | -5 | PPM | EDXRF | |
| HF | 11.6 | PPM | EDXRF | |
| NI | 8 | PPM | EDXRF | |
| RB | 154 | PPM | EDXRF | |
| SC | 6.5 | PPM | EDXRF | |
| SR | 66 | PPM | EDXRF | |
| TA | 1.7 | PPM | EDXRF | |
| U | 6.9 | PPM | EDXRF | |
| V | 26 | PPM | EDXRF | |
| Y | 54 | PPM | EDXRF | |
| ZN | 73 | PPM | EDXRF | |
| ZR | 456 | PPM | EDXRF | |
| LA | 96.7 | PPM | EDXRF | |
| CE | 169 | PPM | EDXRF | |
| ND | 94 | PPM | EDXRF | |
| SM | 16.1 | PPM | EDXRF | |
| EU | 1.89 | PPM | EDXRF | |
| TB | 1.39 | PPM | EDXRF | |
| YB | 4.07 | PPM | EDXRF | |
| LU | 0.71 | PPM | EDXRF |