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Sample PDS 12-334
NavDat sample number 45977 · PYROCLASTIC-FLOW
Sample
| Sample ID | PDS 12-334 |
|---|
| Rock name | PYROCLASTIC-FLOW |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.913 |
|---|
| Longitude | -106.953 |
|---|
| Location | W. Willow Creek |
|---|
| State / province | COLORADO |
|---|
| Formation | South River Caldera Cycle, Silver River volcanics, Wason Park Tuff, Pioneer drillholes |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 27.1 |
|
27 |
27.2 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 73.55 | | WT% | XRF |
| TIO2 | 0.476921 | | WT% | XRF |
| AL2O3 | 17.8051 | | WT% | XRF |
| FE2O3 | 2.36341 | | WT% | XRF |
| MGO | 0.826663 | | WT% | XRF |
| CAO | 0.561707 | | WT% | XRF |
| NA2O | 0.084786 | | WT% | XRF |
| K2O | 3.19007 | | WT% | XRF |
| P2O5 | 0.127179 | | WT% | XRF |
| MNO | 0.042393 | | WT% | XRF |
| LOI | 5.59 | | WT% | XRF |
| TOTAL | 99.0282 | | WT% | XRF |
