← Search
Sample 850
NavDat sample number 66614 · RHYOLITE
Sample
| Sample ID | 850 |
|---|
| Alternate ID | AYB-420 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | Welded tuff |
|---|
Location
| Latitude | 43.9516 |
|---|
| Longitude | -117.736 |
|---|
| State / province | Oregon |
|---|
| Formation | Bully Creek Formation |
|---|
| Elevation | 1061 |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 8.25 |
|
5.3 |
11.2 |
late Miocene |
|
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 75.57 | | WT% | XRF |
| AL2O3 | 11.21 | | WT% | XRF |
| TIO2 | 0.23 | | WT% | XRF |
| FEOT | 3.14 | | WT% | XRF |
| MNO | 0.06 | | WT% | XRF |
| CAO | 0.23 | | WT% | XRF |
| MGO | 0.17 | | WT% | XRF |
| K2O | 6.41 | | WT% | XRF |
| NA2O | 2.93 | | WT% | XRF |
| P2O5 | 0.05 | | WT% | XRF |
| TOTAL | 100 | | WT% | XRF |
| LOI | 3.23 | | WT% | XRF |
| CR | 19 | | PPM | ICP |
| BA | 145 | | PPM | ICP |
| RB | 137 | | PPM | ICP |
| ZR | 1230 | | PPM | ICP |
| Y | 189 | | PPM | ICP |
| NB | 101 | | PPM | ICP |
