← Search
Sample 145
NavDat sample number 8577 · RHYOLITE
Sample
| Sample ID | 145 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 44.3558 |
|---|
| Longitude | -114.822 |
|---|
| Location | Challis volcanic field |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Rhyolites of West Fork |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 46 |
|
43 |
49 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 80.05 | | WT% | XRF |
| AL2O3 | 10.81 | | WT% | XRF |
| TIO2 | 0.04 | | WT% | XRF |
| MNO | 0.02 | | WT% | XRF |
| CAO | 0.07 | | WT% | XRF |
| MGO | 0.05 | | WT% | XRF |
| K2O | 4.01 | | WT% | XRF |
| NA2O | 3.56 | | WT% | XRF |
| P2O5 | 0.02 | | WT% | XRF |
| FE2O3 | 0.98 | | WT% | XRF |
| TOTAL | 99.61 | | WT% | XRF |
