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Sample DS85-138
NavDat sample number 45841 · RHYOLITE
Sample
| Sample ID | DS85-138 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 38.022 |
|---|
| Longitude | -107.007 |
|---|
| Location | Mineral Mountain area |
|---|
| State / province | COLORADO |
|---|
| Formation | Cebolla Creek Caldera Cycle, Mineral Mtn. Rhyolite |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 27 |
|
26.9 |
27.1 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 75.09 | | WT% | XRF |
| TIO2 | 0.191361 | | WT% | XRF |
| AL2O3 | 13.2251 | | WT% | XRF |
| FE2O3 | 1.42457 | | WT% | XRF |
| MGO | 0.265779 | | WT% | XRF |
| CAO | 1.65846 | | WT% | XRF |
| NA2O | 2.1156 | | WT% | XRF |
| K2O | 5.52819 | | WT% | XRF |
| P2O5 | 0 | | WT% | XRF |
| MNO | 0.0531557 | | WT% | XRF |
| LOI | 5.91 | | WT% | XRF |
| TOTAL | 99.55 | | WT% | XRF |
| RB | 224 | | PPM | XRF |
| SR | 367 | | PPM | XRF |
| Y | 25 | | PPM | XRF |
| ZR | 156 | | PPM | XRF |
| NB | 34 | | PPM | XRF |
