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Sample 118
NavDat sample number 7017 · RHYODACITE
Sample
| Sample ID | 118 |
|---|
| Rock name | RHYODACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
Location
| Latitude | 44.5974 |
|---|
| Longitude | -114.268 |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Challis Volcanic group, Rhyodacite of Darling Creek |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 49 |
|
48 |
52 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
| SIO2 | 65.97 | | WT% | XRF |
| AL2O3 | 14.78 | | WT% | XRF |
| TIO2 | 0.79 | | WT% | XRF |
| FE2O3T | 5.32 | | WT% | XRF |
| CAO | 2.89 | | WT% | XRF |
| MGO | 2.65 | | WT% | XRF |
| K2O | 4.99 | | WT% | XRF |
| NA2O | 2.65 | | WT% | XRF |
| MNO | 0.08 | | WT% | XRF |
| P2O5 | 0.22 | | WT% | XRF |