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Sample 19-May
NavDat sample number 16042 · PYROCLASTIC FALL
Sample
| Sample ID | 19-May |
|---|
| Rock name | PYROCLASTIC FALL |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | Rhyodacite Lava Flows and Domes |
|---|
Location
| Latitude | 32.9983 |
|---|
| Longitude | -114.553 |
|---|
| Location | Picacho region,Chocolate Mtns |
|---|
| State / province | California |
|---|
| Volcanic field | Inner Volcanics |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 21.8 |
|
21.2 |
22.4 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 68.09 | | WT% | XRF |
| TIO2 | 0.37 | | WT% | XRF |
| AL2O3 | 14.44 | | WT% | XRF |
| FEO | 1.87 | | WT% | XRF |
| MNO | 0.07 | | WT% | XRF |
| MGO | 1.33 | | WT% | XRF |
| CAO | 2.79 | | WT% | XRF |
| NA2O | 3.09 | | WT% | XRF |
| K2O | 4.89 | | WT% | XRF |
| TOTAL | 96.94 | | WT% | XRF |
