Sample Welded tuff
NavDat sample number 66672 · PYROCLASTIC FLOW
Sample
| Sample ID | Welded tuff |
|---|---|
| Rock name | PYROCLASTIC FLOW |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 46.2296 |
|---|---|
| Longitude | -111.962 |
| Location | Elkhorn Mountains |
| State / province | Montana |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 75 | 70 | 80 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 71.2 | WT% | RAPID_ROCK | |
| AL2O3 | 15.2 | WT% | RAPID_ROCK | |
| FE2O3 | 1.2 | WT% | RAPID_ROCK | |
| FEO | 0.77 | WT% | RAPID_ROCK | |
| MGO | 0.65 | WT% | RAPID_ROCK | |
| CAO | 1.7 | WT% | RAPID_ROCK | |
| NA2O | 3.6 | WT% | RAPID_ROCK | |
| K2O | 5 | WT% | RAPID_ROCK | |
| TIO2 | 0.46 | WT% | RAPID_ROCK | |
| P2O5 | 0.04 | WT% | RAPID_ROCK | |
| MNO | 0.08 | WT% | RAPID_ROCK | |
| LOI | 0.31 | WT% | RAPID_ROCK | |
| TOTAL | 100 | WT% | RAPID_ROCK |