Sample W166557
NavDat sample number 4468 · RHYODACITE
Sample
| Sample ID | W166557 |
|---|---|
| Rock name | RHYODACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.7669 |
|---|---|
| Longitude | -106.333 |
| 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 | 61.1 | WT% | UNKNOWN | |
| AL2O3 | 15.4 | WT% | UNKNOWN | |
| FE2O3 | 3.1 | WT% | UNKNOWN | |
| FEO | 2.7 | WT% | UNKNOWN | |
| MGO | 3.4 | WT% | UNKNOWN | |
| CAO | 5 | WT% | UNKNOWN | |
| NA2O | 4 | WT% | UNKNOWN | |
| K2O | 3 | WT% | UNKNOWN | |
| H2O_MINUS | 0.27 | WT% | UNKNOWN | |
| H2O | 0.42 | WT% | UNKNOWN | |
| TIO2 | 0.88 | WT% | UNKNOWN | |
| P2O5 | 0.28 | WT% | UNKNOWN | |
| MNO | 0.11 | WT% | UNKNOWN | |
| TOTAL | 100 | WT% | UNKNOWN | |
| LA | 30 | PPM | NAA | |
| CE | 70 | PPM | NAA | |
| ND | 32 | PPM | NAA | |
| SM | 5.2 | PPM | NAA | |
| EU | 1.5 | PPM | NAA | |
| GD | 3.7 | PPM | NAA | |
| TB | 0.65 | PPM | NAA | |
| DY | 3.7 | PPM | NAA | |
| YB | 1.3 | PPM | NAA | |
| LU | 0.31 | PPM | NAA | |
| BA | 1200 | PPM | XRF | |
| RB | 55 | PPM | XRF | |
| SR | 810 | PPM | XRF | |
| NI | 42 | PPM | XRF | |
| U | 1.3 | PPM | NAA | |
| TH | 4.5 | PPM | NAA |