Sample HS-82-17
NavDat sample number 19696 · RHYOLITE
Sample
| Sample ID | HS-82-17 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | surface sample |
Location
| Latitude | 38.7778 |
|---|---|
| Longitude | -106.867 |
| Location | Round Mountain |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 12 | 7 | 17 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 71.1 | WT% | UNKNOWN | |
| LA | 68.3 | PPM | ICPAES | |
| CE | 129 | PPM | ICPAES | |
| PR | 14.3 | PPM | ICPAES | |
| ND | 49 | PPM | ICPAES | |
| ND | 49.53 | PPM | TIMS | |
| SM | 7.9 | PPM | ICPAES | |
| SM | 7.528 | PPM | TIMS | |
| EU | 1.2 | PPM | ICPAES | |
| GD | 5 | PPM | ICPAES | |
| DY | 2.6 | PPM | ICPAES | |
| HO | 0.37 | PPM | ICPAES | |
| ER | 0.5 | PPM | ICPAES | |
| TM | 0.11 | PPM | ICPAES | |
| YB | 0.64 | PPM | ICPAES | |
| LU | 0.07 | PPM | ICPAES | |
| ND143_ND144 | 0.511913 | TIMS | ||
| ND143_ND144_INITIAL | 0.511906 | TIMS | ||
| SR87_SR86_INITIAL | 0.70892 | TIMS |