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Sample 12-Jul
NavDat sample number 16033 · RHYODACITE
Sample
| Sample ID | 12-Jul |
|---|
| Rock name | RHYODACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | Rhyodacite Lava Flows and Domes |
Location
| Latitude | 33.0167 |
|---|
| Longitude | -114.603 |
|---|
| 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 | 66.17 | | WT% | XRF |
| TIO2 | 0.42 | | WT% | XRF |
| AL2O3 | 15.76 | | WT% | XRF |
| FEO | 2.34 | | WT% | XRF |
| MNO | 0.04 | | WT% | XRF |
| MGO | 0.67 | | WT% | XRF |
| CAO | 2.07 | | WT% | XRF |
| NA2O | 2.26 | | WT% | XRF |
| K2O | 6.25 | | WT% | XRF |
| TOTAL | 95.98 | | WT% | XRF |