Sample C-985B
NavDat sample number 1364 · RHYOLITE
Sample
| Sample ID | C-985B |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.8986 |
|---|---|
| Longitude | -106.908 |
| Location | E. Willow |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.35 | 27.25 | 27.45 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 73.63 | WT% | XRF | |
| TIO2 | 0.25 | WT% | XRF | |
| AL2O3 | 14.03 | WT% | XRF | |
| FE2O3 | 1.73 | WT% | XRF | |
| MGO | 0.41 | WT% | XRF | |
| CAO | 0.9 | WT% | XRF | |
| NA2O | 3.15 | WT% | XRF | |
| K2O | 5.53 | WT% | XRF | |
| P2O5 | 0.05 | WT% | XRF | |
| MNO | 0.04 | WT% | XRF | |
| LOI | 0 | WT% | XRF | |
| TOTAL | 99.72 | WT% | XRF | |
| BA | 635 | PPM | INAA | |
| LA | 48 | PPM | INAA | |
| CE | 108 | PPM | INAA | |
| ND | 41 | PPM | INAA | |
| SM | 6.8 | PPM | INAA | |
| EU | 1.1 | PPM | INAA | |
| GD | 3.7 | PPM | INAA | |
| TB | 0.84 | PPM | INAA | |
| YB | 2.8 | PPM | INAA | |
| LU | 0.49 | PPM | INAA |