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Sample MS-5
NavDat sample number 16011 · PYROCLASTIC FALL
Sample
| Sample ID | MS-5 |
|---|
| Rock name | PYROCLASTIC FALL |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | outer ignimbrites |
|---|
Location
| Latitude | 32.9567 |
|---|
| Longitude | -114.563 |
|---|
| Location | Picacho region,Chocolate Mtns |
|---|
| State / province | California |
|---|
| Volcanic field | Picacho Volcanics |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 26.5 |
|
25.6 |
27.4 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 65.65 | | WT% | XRF |
| TIO2 | 0.44 | | WT% | XRF |
| AL2O3 | 15.86 | | WT% | XRF |
| FEO | 2.2 | | WT% | XRF |
| MNO | 0.04 | | WT% | XRF |
| MGO | 2.23 | | WT% | XRF |
| CAO | 4.09 | | WT% | XRF |
| NA2O | 2.53 | | WT% | XRF |
| K2O | 3.29 | | WT% | XRF |
| TOTAL | 96.32 | | WT% | XRF |
