Sample 215
NavDat sample number 17694 · RHYODACITE
Sample
| Sample ID | 215 |
|---|---|
| Rock name | RHYODACITE |
| 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 | 70 | WT% | EDXRF | |
| TIO2 | 0.39 | WT% | EDXRF | |
| AL2O3 | 15 | WT% | EDXRF | |
| FEO | 1.76 | WT% | EDXRF | |
| MNO | 0.07 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 0.59 | WT% | EDXRF | |
| NA2O | 4.82 | WT% | EDXRF | |
| K2O | 5.32 | WT% | EDXRF | |
| TOTAL | 97.95 | WT% | EDXRF | |
| BA | -50 | PPM | EDXRF | |
| CR | -5 | PPM | EDXRF | |
| HF | 13.2 | PPM | EDXRF | |
| NI | 7 | PPM | EDXRF | |
| RB | 143 | PPM | EDXRF | |
| SC | 7.3 | PPM | EDXRF | |
| SR | 35 | PPM | EDXRF | |
| TA | 1.9 | PPM | EDXRF | |
| TH | 21.8 | PPM | EDXRF | |
| U | 6 | PPM | EDXRF | |
| V | 29 | PPM | EDXRF | |
| Y | 53 | PPM | EDXRF | |
| ZN | 76 | PPM | EDXRF | |
| ZR | 556 | PPM | EDXRF | |
| LA | 132.6 | PPM | EDXRF | |
| CE | 233 | PPM | EDXRF | |
| ND | 79 | PPM | EDXRF | |
| SM | 19 | PPM | EDXRF | |
| EU | 2.28 | PPM | EDXRF | |
| TB | 1.7 | PPM | EDXRF | |
| YB | 4.9 | PPM | EDXRF | |
| LU | 0.73 | PPM | EDXRF |