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Sample 98L-20-B
NavDat sample number 45974 · PYROCLASTIC FLOW
Sample
| Sample ID | 98L-20-B |
|---|
| Rock name | PYROCLASTIC FLOW |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.598 |
|---|
| Longitude | -107.04 |
|---|
| Location | below Pt. Copper |
|---|
| State / province | COLORADO |
|---|
| Formation | South River Caldera Cycle, Silver River volcanics, outflow sheet Wason Park Tuff, uppermost |
|---|
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 | 67.68 | | WT% | XRF |
| TIO2 | 0.471164 | | WT% | XRF |
| AL2O3 | 16.4197 | | WT% | XRF |
| FE2O3 | 3.16817 | | WT% | XRF |
| MGO | 0.436639 | | WT% | XRF |
| CAO | 1.80748 | | WT% | XRF |
| NA2O | 4.09832 | | WT% | XRF |
| K2O | 5.03861 | | WT% | XRF |
| P2O5 | 0.128961 | | WT% | XRF |
| MNO | 0.0548338 | | WT% | XRF |
| LOI | 1.51 | | WT% | XRF |
| TOTAL | 99.307 | | WT% | XRF |
| ZN | 65 | | PPM | XRF |
| RB | 135 | | PPM | XRF |
| SR | 413 | | PPM | XRF |
| Y | 18 | | PPM | XRF |
| ZR | 320 | | PPM | XRF |
| NB | 16 | | PPM | XRF |
| BA | 1570 | | PPM | XRF |
| CU | 12 | | PPM | XRF |
| NI | -11 | | PPM | XRF |
