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Sample RH-CH-845
NavDat sample number 12092 · RHYOLITE
Sample
| Sample ID | RH-CH-845 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | autobrecciated |
|---|
Location
| Latitude | 44.5333 |
|---|
| Longitude | -114.65 |
|---|
| Location | Challis volcanic field; west of Sherman Peak |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Challis volcanic field, rhyolite complex of East Fork Mayfield Creek |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 46 |
|
45 |
48 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 78.8 | | WT% | XRF |
| AL2O3 | 10.2 | | WT% | XRF |
| FE2O3 | 1.44 | | WT% | XRF |
| FEO | 0.04 | | WT% | XRF |
| MGO | 0 | | WT% | XRF |
| CAO | 0.17 | | WT% | XRF |
| NA2O | 2.85 | | WT% | XRF |
| K2O | 4.43 | | WT% | XRF |
| H2O_PLUS | 0.48 | | WT% | XRF |
| H2O_MINUS | 0.36 | | WT% | XRF |
| TIO2 | 0.09 | | WT% | XRF |
| P2O5 | 0 | | WT% | XRF |
| MNO | 0 | | WT% | XRF |
| CO2 | 0 | | WT% | XRF |
| TOTAL | 98.86 | | WT% | XRF |
