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Sample 11-Jul
NavDat sample number 16027 · PYROCLASTIC-FALL
Sample
| Sample ID | 11-Jul |
|---|
| Rock name | PYROCLASTIC-FALL |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | inner ignimbrites |
Location
| Latitude | 33.0017 |
|---|
| Longitude | -114.607 |
|---|
| Location | Picacho region,Chocolate Mtns |
|---|
| State / province | California |
|---|
| Volcanic field | Inner Volcanics |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 24 |
|
21 |
27 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
| SIO2 | 74.68 | | WT% | XRF |
| TIO2 | 0.05 | | WT% | XRF |
| AL2O3 | 12.71 | | WT% | XRF |
| FEO | 0.94 | | WT% | XRF |
| MNO | 0.06 | | WT% | XRF |
| MGO | 0.85 | | WT% | XRF |
| CAO | 0.98 | | WT% | XRF |
| NA2O | 0.79 | | WT% | XRF |
| K2O | 5.81 | | WT% | XRF |
| TOTAL | 96.87 | | WT% | XRF |