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Sample 78WM178A
NavDat sample number 13529 · RHYOLITE
Sample
| Sample ID | 78WM178A |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 46.1264 |
|---|
| Longitude | -115.049 |
|---|
| Location | IDAHO COUNTY |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Challis magmatic province |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 47 |
|
42 |
52 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 72 | | WT% | XRF |
| AL2O3 | 14.4 | | WT% | XRF |
| MGO | 0.62 | | WT% | XRF |
| CAO | 0.82 | | WT% | XRF |
| NA2O | 3.2 | | WT% | XRF |
| K2O | 5.07 | | WT% | XRF |
| TIO2 | 0.34 | | WT% | XRF |
| P2O5 | -0.1 | | WT% | XRF |
| MNO | 0.02 | | WT% | XRF |
| FE2O3T | 2.07 | | WT% | XRF |
| TOTAL | 98.44 | | WT% | XRF |
