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Sample 28
NavDat sample number 15876 · PYROCLASTIC-FALL
Sample
| Sample ID | 28 |
|---|
| Rock name | PYROCLASTIC-FALL |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 42.7434 |
|---|
| Longitude | -116.245 |
|---|
| Location | Jacks Creek area, Owyhee County |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Perjue Canyon Rhyolite |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 10 |
|
8.5 |
11.5 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 74.87 | | WT% | XRF |
| AL2O3 | 12.45 | | WT% | XRF |
| TIO2 | 0.4 | | WT% | XRF |
| FE2O3T | 2.75 | | WT% | XRF |
| MNO | 0.04 | | WT% | XRF |
| CAO | 1.11 | | WT% | XRF |
| MGO | 0.2 | | WT% | AAS |
| K2O | 6.04 | | WT% | XRF |
| NA2O | 2.09 | | WT% | AAS |
| P2O5 | 0.05 | | WT% | XRF |
| TOTAL | 100 | | WT% | XRF |
