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Sample 67L-77B
NavDat sample number 45877 · PYROCLASTIC FLOW
Sample
| Sample ID | 67L-77B |
|---|
| Rock name | PYROCLASTIC FLOW |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 38.08 |
|---|
| Longitude | -107.003 |
|---|
| Location | Cathedral Creek Ranch |
|---|
| State / province | COLORADO |
|---|
| Formation | Rat Creek Caldera Cycle, Rat Creek Tuff, upper welded dacite |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 26.6 |
|
26.1 |
27 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 64.98 | | WT% | XRF |
| TIO2 | 0.650793 | | WT% | XRF |
| AL2O3 | 17.2867 | | WT% | XRF |
| FE2O3 | 4.10813 | | WT% | XRF |
| MGO | 1.11855 | | WT% | XRF |
| CAO | 3.25397 | | WT% | XRF |
| NA2O | 4.06746 | | WT% | XRF |
| K2O | 4.27083 | | WT% | XRF |
| P2O5 | 0.254216 | | WT% | XRF |
| MNO | 0.101686 | | WT% | XRF |
| LOI | 1.66 | | WT% | XRF |
| TOTAL | 100.09 | | WT% | XRF |
| ZN | 66 | | PPM | XRF |
| RB | 102 | | PPM | XRF |
| SR | 677 | | PPM | XRF |
| Y | 20 | | PPM | XRF |
| ZR | 361 | | PPM | XRF |
| NB | 11 | | PPM | XRF |
| PB | 39 | | PPM | XRF |
