← Search
Sample DS87-001
NavDat sample number 45975 · PYROCLASTIC FALL
Sample
| Sample ID | DS87-001 |
|---|
| Rock name | PYROCLASTIC FALL |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.874 |
|---|
| Longitude | -106.943 |
|---|
| Location | Windy Gulch |
|---|
| State / province | COLORADO |
|---|
| Formation | South River Caldera Cycle, Silver River volcanics, outflow sheet Wason Park Tuff |
|---|
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 | 66.46 | | WT% | XRF |
| TIO2 | 0.616153 | | WT% | XRF |
| AL2O3 | 16.2624 | | WT% | XRF |
| FE2O3 | 3.73732 | | WT% | XRF |
| MGO | 0.616153 | | WT% | XRF |
| CAO | 2.73733 | | WT% | XRF |
| NA2O | 3.63631 | | WT% | XRF |
| K2O | 4.81811 | | WT% | XRF |
| P2O5 | 0.23232 | | WT% | XRF |
| MNO | 0.0202017 | | WT% | XRF |
| LOI | 0.99 | | WT% | XRF |
| TOTAL | 99.1363 | | WT% | XRF |
