Sample W166551
NavDat sample number 4469 · RHYODACITE
Sample
| Sample ID | W166551 |
|---|---|
| Rock name | RHYODACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.7469 |
|---|---|
| Longitude | -106.368 |
| State / province | Colorado |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 29.7 | 23.8 | 35.6 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 63.3 | WT% | UNKNOWN | |
| AL2O3 | 15.6 | WT% | UNKNOWN | |
| FE2O3 | 2.5 | WT% | UNKNOWN | |
| FEO | 2 | WT% | UNKNOWN | |
| MGO | 2.9 | WT% | UNKNOWN | |
| CAO | 3.9 | WT% | UNKNOWN | |
| NA2O | 3.9 | WT% | UNKNOWN | |
| K2O | 3.2 | WT% | UNKNOWN | |
| H2O_MINUS | 0.35 | WT% | UNKNOWN | |
| H2O | 1.7 | WT% | UNKNOWN | |
| TIO2 | 0.61 | WT% | UNKNOWN | |
| P2O5 | 0.19 | WT% | UNKNOWN | |
| MNO | 0.1 | WT% | UNKNOWN | |
| TOTAL | 100 | WT% | UNKNOWN | |
| LA | 25 | PPM | NAA | |
| CE | 61 | PPM | NAA | |
| ND | 24 | PPM | NAA | |
| SM | 4.2 | PPM | NAA | |
| EU | 1.2 | PPM | NAA | |
| GD | 2.4 | PPM | NAA | |
| TB | 0.48 | PPM | NAA | |
| DY | 2.4 | PPM | NAA | |
| YB | 1.1 | PPM | NAA | |
| LU | 0.21 | PPM | NAA | |
| BA | 1300 | PPM | XRF | |
| RB | 68 | PPM | XRF | |
| SR | 730 | PPM | XRF | |
| U | 1.5 | PPM | NAA | |
| TH | 4.2 | PPM | NAA |