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Sample May-86
NavDat sample number 16008 · DACITE
Sample
| Sample ID | May-86 |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 32.9633 |
|---|
| Longitude | -114.618 |
|---|
| 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 | 62.21 | | WT% | XRF |
| TIO2 | 0.98 | | WT% | XRF |
| AL2O3 | 14.23 | | WT% | XRF |
| FEO | 5.32 | | WT% | XRF |
| MNO | 0.09 | | WT% | XRF |
| MGO | 4.65 | | WT% | XRF |
| CAO | 5.03 | | WT% | XRF |
| NA2O | 3.14 | | WT% | XRF |
| K2O | 2.57 | | WT% | XRF |
| TOTAL | 98.22 | | WT% | XRF |
