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Sample 2-77x
NavDat sample number 16040 · RHYODACITE
Sample
| Sample ID | 2-77x |
|---|
| Rock name | RHYODACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | Rhyodacite Lava Flows and Domes |
|---|
Location
| Latitude | 33.02 |
|---|
| Longitude | -114.61 |
|---|
| 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 | 69.33 | | WT% | XRF |
| TIO2 | 0.36 | | WT% | XRF |
| AL2O3 | 15.4 | | WT% | XRF |
| FEO | 2.53 | | WT% | XRF |
| MNO | 0.03 | | WT% | XRF |
| MGO | 0.47 | | WT% | XRF |
| CAO | 1.85 | | WT% | XRF |
| NA2O | 1.97 | | WT% | XRF |
| K2O | 6.71 | | WT% | XRF |
| TOTAL | 98.65 | | WT% | XRF |
