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Sample 78WM061A
NavDat sample number 13504 · RHYOLITE
Sample
| Sample ID | 78WM061A |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 45.9714 |
|---|
| Longitude | -114.899 |
|---|
| 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 | 74.2 | | WT% | XRF |
| AL2O3 | 13 | | WT% | XRF |
| MGO | 0.1 | | WT% | XRF |
| CAO | 0.26 | | WT% | XRF |
| NA2O | 3.1 | | WT% | XRF |
| K2O | 5.77 | | WT% | XRF |
| TIO2 | 0.17 | | WT% | XRF |
| P2O5 | -0.1 | | WT% | XRF |
| MNO | 0.02 | | WT% | XRF |
| FE2O3T | 1.98 | | WT% | XRF |
| TOTAL | 98.5 | | WT% | XRF |
