← Search
Sample DC-5
NavDat sample number 5146 · RHYOLITE
Sample
| Sample ID | DC-5 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | quartz latite and rhyolite from middle and lower tuffs at Lower Eagle Meadow |
|---|
Location
| Latitude | 38.3096 |
|---|
| Longitude | -119.853 |
|---|
| Location | Dardanelles |
|---|
| State / province | California |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 24.7 |
|
23.3 |
26.1 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 74.85 | | WT% | XRF |
| TIO2 | 0.21 | | WT% | XRF |
| AL2O3 | 13.6 | | WT% | XRF |
| FE2O3 | 1.28 | | WT% | XRF |
| MNO | 0.03 | | WT% | XRF |
| MGO | 0.34 | | WT% | XRF |
| CAO | 0.8 | | WT% | XRF |
| NA2O | 2.32 | | WT% | XRF |
| K2O | 5.3 | | WT% | XRF |
| P2O5 | 0.05 | | WT% | XRF |
| LOI | 1.14 | | WT% | XRF |
| TOTAL | 98.79 | | WT% | XRF |
