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Sample EP208A
NavDat sample number 12538 · ANDESITE
Sample
| Sample ID | EP208A |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 35.459 |
|---|
| Longitude | -117.894 |
|---|
| Location | El Paso Mountains |
|---|
| State / province | California |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 18.1 |
|
16.9 |
19.3 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 59.9 | | WT% | XRF |
| AL2O3 | 16 | | WT% | XRF |
| FE2O3 | 8.76 | | WT% | XRF |
| MGO | 0.76 | | WT% | XRF |
| CAO | 4.36 | | WT% | XRF |
| NA2O | 4.11 | | WT% | XRF |
| K2O | 2.7 | | WT% | XRF |
| TIO2 | 1.2 | | WT% | XRF |
| P2O5 | 0.41 | | WT% | XRF |
| MNO | 0.09 | | WT% | XRF |
| LOI | 1.75 | | WT% | XRF |
