Sample 138
NavDat sample number 17623 · RHYOLITE
Sample
| Sample ID | 138 |
|---|---|
| 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 | 32.9517 |
|---|---|
| Longitude | -107.778 |
| 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 | 70 | WT% | EDXRF | |
| TIO2 | 0.55 | WT% | EDXRF | |
| AL2O3 | 13 | WT% | EDXRF | |
| FEO | 2.91 | WT% | EDXRF | |
| MNO | 0.04 | WT% | EDXRF | |
| MGO | 1 | WT% | EDXRF | |
| CAO | 2.75 | WT% | EDXRF | |
| NA2O | 3.96 | WT% | EDXRF | |
| K2O | 3.65 | WT% | EDXRF | |
| TOTAL | 97.86 | WT% | EDXRF | |
| BA | 721 | PPM | EDXRF | |
| CR | 27 | PPM | EDXRF | |
| HF | 5.4 | PPM | EDXRF | |
| NI | 17 | PPM | EDXRF | |
| RB | 131 | PPM | EDXRF | |
| SC | 6.5 | PPM | EDXRF | |
| SR | 435 | PPM | EDXRF | |
| TA | 1.1 | PPM | EDXRF | |
| TH | 13.1 | PPM | EDXRF | |
| U | 3.1 | PPM | EDXRF | |
| V | 44 | PPM | EDXRF | |
| Y | 28 | PPM | EDXRF | |
| ZN | 67 | PPM | EDXRF | |
| ZR | 225 | PPM | EDXRF | |
| LA | 43.2 | PPM | EDXRF | |
| CE | 73 | PPM | EDXRF | |
| ND | 58 | PPM | EDXRF | |
| SM | 5.6 | PPM | EDXRF | |
| EU | 1.3 | PPM | EDXRF | |
| TB | 0.7 | PPM | EDXRF | |
| YB | 1.74 | PPM | EDXRF | |
| LU | 0.39 | PPM | EDXRF |