Sample HS-82-24
NavDat sample number 19679 · RHYOLITE
Sample
| Sample ID | HS-82-24 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | surface sample |
Location
| Latitude | 38.6408 |
|---|---|
| Longitude | -106.274 |
| Location | Browns Creek |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 29 | 24 | 34 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 75.5 | WT% | UNKNOWN | |
| LA | 27.1 | PPM | ICPAES | |
| CE | 52.5 | PPM | ICPAES | |
| PR | 5.7 | PPM | ICPAES | |
| ND | 20 | PPM | ICPAES | |
| ND | 19.89 | PPM | TIMS | |
| SM | 4 | PPM | ICPAES | |
| SM | 3.822 | PPM | TIMS | |
| EU | 0.54 | PPM | ICPAES | |
| GD | 3.1 | PPM | ICPAES | |
| DY | 2.2 | PPM | ICPAES | |
| HO | 0.41 | PPM | ICPAES | |
| ER | 1.1 | PPM | ICPAES | |
| TM | 0.22 | PPM | ICPAES | |
| YB | 1.6 | PPM | ICPAES | |
| LU | 0.23 | PPM | ICPAES | |
| ND143_ND144 | 0.512068 | TIMS | ||
| ND143_ND144_INITIAL | 0.512045 | TIMS | ||
| SR87_SR86_INITIAL | 0.71018 | TIMS |