← Search
Sample EP104A
NavDat sample number 12542 · RHYOLITE
Sample
| Sample ID | EP104A |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| 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 |
|---|
| 18 |
|
16.2 |
19.8 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 72.5 | | WT% | XRF |
| AL2O3 | 12 | | WT% | XRF |
| FE2O3 | 1.78 | | WT% | XRF |
| MGO | 0.24 | | WT% | XRF |
| CAO | 0.5 | | WT% | XRF |
| NA2O | 2.72 | | WT% | XRF |
| K2O | 5.99 | | WT% | XRF |
| TIO2 | 0.09 | | WT% | XRF |
| P2O5 | 0.05 | | WT% | XRF |
| MNO | 0.02 | | WT% | XRF |
| LOI | 4.06 | | WT% | XRF |
