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Sample RH-CH-881
NavDat sample number 12096 · RHYOLITE
Sample
| Sample ID | RH-CH-881 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | intrusive; hypabyssal |
Location
| Latitude | 44.5833 |
|---|
| Longitude | -114.708 |
|---|
| Location | Challis volcanic field; Ibex Creek |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Challis volcanic field |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 46 |
|
45 |
48 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
| SIO2 | 75.2 | | WT% | XRF |
| AL2O3 | 12.5 | | WT% | XRF |
| FE2O3 | 1.21 | | WT% | XRF |
| FEO | 0.11 | | WT% | XRF |
| MGO | 0.22 | | WT% | XRF |
| CAO | 0.25 | | WT% | XRF |
| NA2O | 2.57 | | WT% | XRF |
| K2O | 5.16 | | WT% | XRF |
| H2O_PLUS | 0.95 | | WT% | XRF |
| H2O_MINUS | 0.32 | | WT% | XRF |
| TIO2 | 0.1 | | WT% | XRF |
| P2O5 | 0 | | WT% | XRF |
| MNO | 0 | | WT% | XRF |
| CO2 | 0 | | WT% | XRF |
| TOTAL | 98.63 | | WT% | XRF |