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Sample May-73
NavDat sample number 16049 · DACITE
Sample
| Sample ID | May-73 |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 32.97 |
|---|
| Longitude | -114.662 |
|---|
| Location | Picacho region,Chocolate Mtns |
|---|
| State / province | California |
|---|
| Volcanic field | Picacho Volcanics |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 24 |
|
21 |
27 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 64.82 | | WT% | XRF |
| TIO2 | 0.68 | | WT% | XRF |
| AL2O3 | 17.21 | | WT% | XRF |
| FEO | 3.48 | | WT% | XRF |
| MNO | 0.06 | | WT% | XRF |
| MGO | 1.75 | | WT% | XRF |
| CAO | 4.21 | | WT% | XRF |
| NA2O | 3.54 | | WT% | XRF |
| K2O | 3.05 | | WT% | XRF |
| TOTAL | 98.8 | | WT% | XRF |
