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Sample 889
NavDat sample number 37289 · RHYOLITE
Sample
| Sample ID | 889 |
|---|
| Alternate ID | AYB-200 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 43.801 |
|---|
| Longitude | -117.715 |
|---|
| State / province | Oregon |
|---|
| Volcanic field | Lake Owyhee |
|---|
| Formation | Littlefield Rhyolite |
|---|
| Elevation | 975 |
|---|
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 | 73.6 | | WT% | XRF |
| AL2O3 | 13.05 | | WT% | XRF |
| TIO2 | 0.43 | | WT% | XRF |
| FEOT | 2.75 | | WT% | XRF |
| MNO | 0.03 | | WT% | XRF |
| CAO | 0.63 | | WT% | XRF |
| MGO | 0.21 | | WT% | XRF |
| K2O | 4.3 | | WT% | XRF |
| NA2O | 4.91 | | WT% | XRF |
| P2O5 | 0.09 | | WT% | XRF |
| LOI | 1.54 | | WT% | XRF |
| TOTAL | 100 | | WT% | XRF |
| CR | 15 | | PPM | AAS |
| BA | 2080 | | PPM | AAS |
| RB | 135 | | PPM | ICP |
| SR | 161 | | PPM | ICP |
| ZR | 575 | | PPM | ICP |
| Y | 73 | | PPM | ICP |
| NB | 19 | | PPM | ICP |
