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Sample 860
NavDat sample number 66619 · RHYOLITE
Sample
| Sample ID | 860 |
|---|
| Alternate ID | AYB-422 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | Vitrophyre |
|---|
Location
| Latitude | 43.9132 |
|---|
| Longitude | -117.75 |
|---|
| State / province | Oregon |
|---|
| Volcanic field | Lake Owyhee Volcanic Field |
|---|
| Formation | Littlefield Rhyolite |
|---|
| Elevation | 1134 |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 13.8 |
|
11.2 |
16.4 |
middle Miocene |
|
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 72.06 | | WT% | XRF |
| AL2O3 | 13.06 | | WT% | XRF |
| TIO2 | 0.7 | | WT% | XRF |
| FEOT | 3.55 | | WT% | XRF |
| MNO | 0.08 | | WT% | XRF |
| CAO | 1.65 | | WT% | XRF |
| MGO | 0.47 | | WT% | XRF |
| K2O | 5.51 | | WT% | XRF |
| NA2O | 2.79 | | WT% | XRF |
| P2O5 | 0.13 | | WT% | XRF |
| TOTAL | 100 | | WT% | XRF |
| LOI | 0.85 | | WT% | XRF |
| CR | 24 | | PPM | ICP |
| BA | 1470 | | PPM | ICP |
| RB | 136 | | PPM | ICP |
| SR | 203 | | PPM | ICP |
| ZR | 290 | | PPM | ICP |
| Y | 65 | | PPM | ICP |
| NB | 28 | | PPM | ICP |
