Sample 137
NavDat sample number 17622 · RHYODACITE
Sample
| Sample ID | 137 |
|---|---|
| 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 | 33.7225 |
|---|---|
| Longitude | -107.96 |
| Location | Pollack Qtz. |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 33 | 30 | 36 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 68 | WT% | EDXRF | |
| TIO2 | 0.45 | WT% | EDXRF | |
| AL2O3 | 15 | WT% | EDXRF | |
| FEO | 3.23 | WT% | EDXRF | |
| MNO | 0.05 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 2.86 | WT% | EDXRF | |
| NA2O | 3.64 | WT% | EDXRF | |
| K2O | 3.59 | WT% | EDXRF | |
| TOTAL | 96.82 | WT% | EDXRF | |
| BA | 778 | PPM | EDXRF | |
| CR | 35 | PPM | EDXRF | |
| HF | 4.8 | PPM | EDXRF | |
| NI | 17 | PPM | EDXRF | |
| RB | 169 | PPM | EDXRF | |
| SC | 10.4 | PPM | EDXRF | |
| SR | 355 | PPM | EDXRF | |
| TH | 19.5 | PPM | EDXRF | |
| U | 3.6 | PPM | EDXRF | |
| V | 45 | PPM | EDXRF | |
| Y | 34 | PPM | EDXRF | |
| ZN | 48 | PPM | EDXRF | |
| ZR | 187 | PPM | EDXRF | |
| LA | 40.2 | PPM | EDXRF | |
| CE | 92 | PPM | EDXRF | |
| ND | 50 | PPM | EDXRF | |
| SM | 5.2 | PPM | EDXRF | |
| EU | 1.29 | PPM | EDXRF | |
| TB | 1.17 | PPM | EDXRF | |
| YB | 2.24 | PPM | EDXRF | |
| LU | 0.43 | PPM | EDXRF |