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Sample 78WM093A
NavDat sample number 13520 · RHYOLITE
Sample
| Sample ID | 78WM093A |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
Location
| Latitude | 45.9947 |
|---|
| Longitude | -114.997 |
|---|
| 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 | 71 | | WT% | XRF |
| AL2O3 | 14.5 | | WT% | XRF |
| MGO | 0.63 | | WT% | XRF |
| CAO | 1.25 | | WT% | XRF |
| NA2O | 3 | | WT% | XRF |
| K2O | 4.77 | | WT% | XRF |
| TIO2 | 0.32 | | WT% | XRF |
| P2O5 | -0.1 | | WT% | XRF |
| MNO | 0.02 | | WT% | XRF |
| FE2O3T | 1.83 | | WT% | XRF |
| TOTAL | 97.22 | | WT% | XRF |