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Sample 79WM021
NavDat sample number 13541 · RHYOLITE
Sample
| Sample ID | 79WM021 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 45.9697 |
|---|
| Longitude | -114.829 |
|---|
| 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 | 76.5 | | WT% | XRF |
| AL2O3 | 12 | | WT% | XRF |
| MGO | -0.1 | | WT% | XRF |
| CAO | 0.21 | | WT% | XRF |
| NA2O | 3.4 | | WT% | XRF |
| K2O | 4.58 | | WT% | XRF |
| TIO2 | 0.1 | | WT% | XRF |
| P2O5 | -0.1 | | WT% | XRF |
| MNO | -0.02 | | WT% | XRF |
| FE2O3T | 1.33 | | WT% | XRF |
| TOTAL | 97.9 | | WT% | XRF |
