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Sample 26-May
NavDat sample number 16007 · RHYODACITE
Sample
| Sample ID | 26-May |
|---|
| Rock name | RHYODACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
Location
| Latitude | 32.9767 |
|---|
| Longitude | -114.55 |
|---|
| 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 | 65.2 | | WT% | XRF |
| TIO2 | 0.85 | | WT% | XRF |
| AL2O3 | 15.55 | | WT% | XRF |
| FEO | 4.21 | | WT% | XRF |
| MNO | 0.06 | | WT% | XRF |
| MGO | 2.21 | | WT% | XRF |
| CAO | 3.93 | | WT% | XRF |
| NA2O | 3.05 | | WT% | XRF |
| K2O | 3.33 | | WT% | XRF |
| TOTAL | 93.39 | | WT% | XRF |