Sample W164558
NavDat sample number 4464 · RHYOLITE
Sample
| Sample ID | W164558 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.7461 |
|---|---|
| Longitude | -106.421 |
| 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 | 71.1 | WT% | UNKNOWN | |
| AL2O3 | 14.3 | WT% | UNKNOWN | |
| FE2O3 | 0.35 | WT% | UNKNOWN | |
| FEO | 0.06 | WT% | UNKNOWN | |
| MGO | 0.19 | WT% | UNKNOWN | |
| CAO | 2.7 | WT% | UNKNOWN | |
| NA2O | 4.6 | WT% | UNKNOWN | |
| K2O | 4.4 | WT% | UNKNOWN | |
| H2O_MINUS | 0.17 | WT% | UNKNOWN | |
| H2O | 0.51 | WT% | UNKNOWN | |
| TIO2 | 0.19 | WT% | UNKNOWN | |
| P2O5 | 0.02 | WT% | UNKNOWN | |
| MNO | 0.04 | WT% | UNKNOWN | |
| TOTAL | 99 | WT% | UNKNOWN | |
| LA | 42 | PPM | NAA | |
| CE | 99 | PPM | NAA | |
| ND | 36 | PPM | NAA | |
| SM | 4.7 | PPM | NAA | |
| EU | 1 | PPM | NAA | |
| GD | 2.7 | PPM | NAA | |
| TB | 0.51 | PPM | NAA | |
| DY | 2.7 | PPM | NAA | |
| YB | 1.3 | PPM | NAA | |
| LU | 0.22 | PPM | NAA | |
| BA | 2000 | PPM | XRF | |
| RB | 85 | PPM | XRF | |
| SR | 350 | PPM | XRF | |
| U | 2.1 | PPM | NAA | |
| TH | 6.2 | PPM | NAA |