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Sample 98L-20-A
NavDat sample number 45973 · PYROCLASTIC-FLOW
Sample
| Sample ID | 98L-20-A |
|---|
| Rock name | PYROCLASTIC-FLOW |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.596 |
|---|
| Longitude | -107.042 |
|---|
| Location | below Pt. Copper |
|---|
| 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 | 66.6 | | WT% | XRF |
| TIO2 | 0.533003 | | WT% | XRF |
| AL2O3 | 16.4927 | | WT% | XRF |
| FE2O3 | 3.22538 | | WT% | XRF |
| MGO | 0.586709 | | WT% | XRF |
| CAO | 2.18369 | | WT% | XRF |
| NA2O | 4.18499 | | WT% | XRF |
| K2O | 4.8629 | | WT% | XRF |
| P2O5 | 0.218876 | | WT% | XRF |
| MNO | 0.0537057 | | WT% | XRF |
| LOI | 1.3 | | WT% | XRF |
| TOTAL | 98.94 | | WT% | XRF |
| ZN | 63 | | PPM | XRF |
| RB | 134 | | PPM | XRF |
| SR | 494 | | PPM | XRF |
| Y | 21 | | PPM | XRF |
| ZR | 300 | | PPM | XRF |
| NB | 15 | | PPM | XRF |
| BA | 1450 | | PPM | XRF |
| CU | 18 | | PPM | XRF |
| NI | -10 | | PPM | XRF |
