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Sample RH-CH-960
NavDat sample number 12108 · RHYOLITE
Sample
| Sample ID | RH-CH-960 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | devitrified but vitrophyric along intrusive contact |
|---|
Location
| Latitude | 44.6333 |
|---|
| Longitude | -114.883 |
|---|
| Location | Challis volcanic field, NE of Pinyon Peak |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Challis volcanic field |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 46 |
|
45 |
48 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 74.2 | | WT% | XRF |
| AL2O3 | 13.8 | | WT% | XRF |
| FE2O3 | 0.57 | | WT% | XRF |
| FEO | 0.13 | | WT% | XRF |
| MGO | 0.1 | | WT% | XRF |
| CAO | 0.59 | | WT% | XRF |
| NA2O | 3.18 | | WT% | XRF |
| K2O | 6.26 | | WT% | XRF |
| H2O_PLUS | 0.49 | | WT% | XRF |
| H2O_MINUS | 0.06 | | WT% | XRF |
| TIO2 | 0.1 | | WT% | XRF |
| P2O5 | 0 | | WT% | XRF |
| MNO | 0 | | WT% | XRF |
| CO2 | 0 | | WT% | XRF |
| TOTAL | 99.48 | | WT% | XRF |
