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Sample 21
NavDat sample number 15869 · RHYOLITE
Sample
| Sample ID | 21 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 42.5585 |
|---|
| Longitude | -116.106 |
|---|
| Location | Jacks Creek area, Owyhee County |
|---|
| State / province | Idaho |
|---|
| Volcanic field | rhyolite of Grasmere escarpment |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 10.75 |
|
9.5 |
12 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 75.41 | | WT% | XRF |
| AL2O3 | 12.71 | | WT% | XRF |
| TIO2 | 0.35 | | WT% | XRF |
| FE2O3T | 2.7 | | WT% | XRF |
| MNO | 0.01 | | WT% | XRF |
| CAO | 0.57 | | WT% | XRF |
| MGO | 0.15 | | WT% | AAS |
| K2O | 5.44 | | WT% | XRF |
| NA2O | 2.6 | | WT% | AAS |
| P2O5 | 0.06 | | WT% | XRF |
| TOTAL | 100 | | WT% | XRF |
