Sample HS-82-37
NavDat sample number 19697 · RHYOLITE
Sample
| Sample ID | HS-82-37 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | surface sample |
Location
| Latitude | 38.8428 |
|---|---|
| Longitude | -106.717 |
| Location | Boston Peak |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 10 | 5 | 15 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 78 | WT% | UNKNOWN | |
| LA | 35.5 | PPM | ICPAES | |
| CE | 56.7 | PPM | ICPAES | |
| PR | 5.2 | PPM | ICPAES | |
| ND | 14.2 | PPM | ICPAES | |
| ND | 14.51 | PPM | TIMS | |
| SM | 2.2 | PPM | ICPAES | |
| SM | 0.2036 | PPM | TIMS | |
| EU | 0.2 | PPM | ICPAES | |
| GD | 2 | PPM | ICPAES | |
| DY | 1.7 | PPM | ICPAES | |
| HO | 0.4 | PPM | ICPAES | |
| ER | 1.4 | PPM | ICPAES | |
| TM | 0.3 | PPM | ICPAES | |
| YB | 2.78 | PPM | ICPAES | |
| LU | 0.5 | PPM | ICPAES | |
| ND143_ND144 | 0.51203 | TIMS | ||
| ND143_ND144_INITIAL | 0.512025 | TIMS | ||
| SR87_SR86_INITIAL | 0.70852 | TIMS |