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Sample I-84
NavDat sample number 10626 · RHYOLITE
Sample
| Sample ID | I-84 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | lithoidal rhyolite from the base of the Dorsey Creek rhyolite flow |
|---|
Location
| Latitude | 42.0489 |
|---|
| Longitude | -115.384 |
|---|
| Location | Owyhee County |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Dorsey Creek rhyolite flow |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 8.11 |
|
7.62 |
8.6 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 72.74 | | WT% | XRF |
| AL2O3 | 13.62 | | WT% | XRF |
| TIO2 | 0.55 | | WT% | XRF |
| FE2O3T | 4.47 | | WT% | XRF |
| MNO | 0.07 | | WT% | XRF |
| CAO | 1.65 | | WT% | XRF |
| MGO | 0.38 | | WT% | XRF |
| K2O | 4.78 | | WT% | XRF |
| NA2O | 3.07 | | WT% | XRF |
| P2O5 | 0.09 | | WT% | XRF |
| TOTAL | 101.42 | | WT% | XRF |
