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Sample EP103A
NavDat sample number 12536 · ANDESITE
Sample
| Sample ID | EP103A |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
Location
| Latitude | 35.4583 |
|---|
| Longitude | -117.897 |
|---|
| Location | El Paso Mountains |
|---|
| State / province | California |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 17.2 |
|
16.4 |
18 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
| SIO2 | 56.6 | | WT% | XRF |
| AL2O3 | 17.1 | | WT% | XRF |
| FE2O3 | 8.56 | | WT% | XRF |
| MGO | 2.03 | | WT% | XRF |
| CAO | 5.77 | | WT% | XRF |
| NA2O | 4.26 | | WT% | XRF |
| K2O | 1.7 | | WT% | XRF |
| TIO2 | 1.56 | | WT% | XRF |
| P2O5 | 0.31 | | WT% | XRF |
| MNO | 0.15 | | WT% | XRF |
| LOI | 1.63 | | WT% | XRF |