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Sample Jan-50
NavDat sample number 16020 · PYROCLASTIC-FALL
Sample
| Sample ID | Jan-50 |
|---|
| Rock name | PYROCLASTIC-FALL |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | outer ignimbrites |
|---|
Location
| Latitude | 33.1267 |
|---|
| Longitude | -114.588 |
|---|
| Location | Picacho region,Chocolate Mtns |
|---|
| State / province | Arizona |
|---|
| Volcanic field | Picacho Volcanics |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 26.8 |
|
25.2 |
28.4 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 70.49 | | WT% | XRF |
| TIO2 | 0.21 | | WT% | XRF |
| AL2O3 | 14.23 | | WT% | XRF |
| FEO | 1.48 | | WT% | XRF |
| MNO | 0.06 | | WT% | XRF |
| MGO | 0.51 | | WT% | XRF |
| CAO | 0.82 | | WT% | XRF |
| NA2O | 2.28 | | WT% | XRF |
| K2O | 6.64 | | WT% | XRF |
| TOTAL | 96.72 | | WT% | XRF |
