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Sample May-68
NavDat sample number 16009 · RHYODACITE
Sample
| Sample ID | May-68 |
|---|
| Rock name | RHYODACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 32.9817 |
|---|
| Longitude | -114.633 |
|---|
| Location | Picacho region,Chocolate Mtns |
|---|
| State / province | California |
|---|
| Volcanic field | Quechan volcanics |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 23.5 |
|
22.9 |
24.1 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 65.31 | | WT% | XRF |
| TIO2 | 0.69 | | WT% | XRF |
| AL2O3 | 16.28 | | WT% | XRF |
| FEO | 3.85 | | WT% | XRF |
| MNO | 0.06 | | WT% | XRF |
| MGO | 0.81 | | WT% | XRF |
| CAO | 3.22 | | WT% | XRF |
| NA2O | 3.42 | | WT% | XRF |
| K2O | 4.21 | | WT% | XRF |
| TOTAL | 97.85 | | WT% | XRF |
