Sample W166559
NavDat sample number 4470 · RHYODACITE
Sample
| Sample ID | W166559 |
|---|---|
| Rock name | RHYODACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.7718 |
|---|---|
| Longitude | -106.418 |
| State / province | Colorado |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 34.05 | 33.2 | 34.9 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 63.7 | WT% | UNKNOWN | |
| AL2O3 | 16 | WT% | UNKNOWN | |
| FE2O3 | 2.3 | WT% | UNKNOWN | |
| FEO | 1.9 | WT% | UNKNOWN | |
| MGO | 1.9 | WT% | UNKNOWN | |
| CAO | 4.1 | WT% | UNKNOWN | |
| NA2O | 4.5 | WT% | UNKNOWN | |
| K2O | 2.9 | WT% | UNKNOWN | |
| H2O_MINUS | 0.18 | WT% | UNKNOWN | |
| H2O | 1.6 | WT% | UNKNOWN | |
| TIO2 | 0.56 | WT% | UNKNOWN | |
| P2O5 | 0.2 | WT% | UNKNOWN | |
| MNO | 0.08 | WT% | UNKNOWN | |
| TOTAL | 100 | WT% | UNKNOWN | |
| LA | 25 | PPM | NAA | |
| CE | 56 | PPM | NAA | |
| ND | 22 | PPM | NAA | |
| SM | 3.9 | PPM | NAA | |
| EU | 1.1 | PPM | NAA | |
| GD | 2.3 | PPM | NAA | |
| TB | 0.45 | PPM | NAA | |
| DY | 2.3 | PPM | NAA | |
| YB | 1.1 | PPM | NAA | |
| LU | 0.18 | PPM | NAA | |
| BA | 1300 | PPM | XRF |