Sample 136
NavDat sample number 17621 · RHYODACITE
Sample
| Sample ID | 136 |
|---|---|
| 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 | -107.678 |
| 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 | 67 | WT% | EDXRF | |
| TIO2 | 0.45 | WT% | EDXRF | |
| AL2O3 | 14 | WT% | EDXRF | |
| FEO | 3.8 | WT% | EDXRF | |
| MNO | 0.06 | WT% | EDXRF | |
| MGO | -0.1 | WT% | EDXRF | |
| CAO | 3.94 | WT% | EDXRF | |
| NA2O | 3.5 | WT% | EDXRF | |
| K2O | 3.48 | WT% | EDXRF | |
| TOTAL | 96.23 | WT% | EDXRF | |
| BA | -50 | PPM | EDXRF | |
| CR | -5 | PPM | EDXRF | |
| HF | 4.1 | PPM | EDXRF | |
| NI | 18 | PPM | EDXRF | |
| RB | 162 | PPM | EDXRF | |
| SC | 11.6 | PPM | EDXRF | |
| SR | 374 | PPM | EDXRF | |
| TA | 0.7 | PPM | EDXRF | |
| TH | 16.3 | PPM | EDXRF | |
| U | 4.5 | PPM | EDXRF | |
| V | 49 | PPM | EDXRF | |
| Y | 31 | PPM | EDXRF | |
| ZN | 55 | PPM | EDXRF | |
| ZR | 192 | PPM | EDXRF | |
| CE | 56 | PPM | EDXRF | |
| EU | 1.19 | PPM | EDXRF | |
| TB | 1.35 | PPM | EDXRF | |
| YB | 0.31 | PPM | EDXRF |