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Sample 837
NavDat sample number 66429 · RHYOLITE
Sample
| Sample ID | 837 |
|---|
| Alternate ID | AYB-410 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | Rhyolite |
|---|
Location
| Latitude | 43.9928 |
|---|
| Longitude | -117.534 |
|---|
| State / province | Oregon |
|---|
| Volcanic field | XRAL |
|---|
| Formation | Lake Owyhee Volcanic Field |
|---|
| Elevation | 829 |
|---|
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 | 72.61 | | WT% | XRF |
| AL2O3 | 12.8 | | WT% | XRF |
| TIO2 | 0.72 | | WT% | XRF |
| FEOT | 3.64 | | WT% | XRF |
| MNO | 0.06 | | WT% | XRF |
| CAO | 1.34 | | WT% | XRF |
| MGO | 0.35 | | WT% | XRF |
| K2O | 4.36 | | WT% | XRF |
| NA2O | 3.95 | | WT% | XRF |
| P2O5 | 0.15 | | WT% | XRF |
| TOTAL | 99.1 | | WT% | XRF |
| LOI | 1.85 | | WT% | XRF |
| CR | 14 | | PPM | ICP |
| BA | 1420 | | PPM | ICP |
| RB | 213 | | PPM | ICP |
| SR | 199 | | PPM | ICP |
| ZR | 296 | | PPM | ICP |
| NB | 26 | | PPM | ICP |
