Sample 665
NavDat sample number 33809 · RHYOLITE
Sample
| Sample ID | 665 |
|---|---|
| Alternate ID | 93-BG-12 |
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 45.0526 |
|---|---|
| Longitude | -118.365 |
| State / province | Oregon |
| Volcanic field | Tower Mountain Volcanic Field |
| Elevation | 1524 |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 28.75 | 23.8 | 33.7 | Oligocene |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 73 | WT% | XRF | |
| AL2O3 | 15.09 | WT% | XRF | |
| TIO2 | 0.28 | WT% | XRF | |
| FEOT | 1.96 | WT% | XRF | |
| MNO | 0.06 | WT% | XRF | |
| CAO | 2.39 | WT% | XRF | |
| MGO | 0.53 | WT% | XRF | |
| K2O | 2.32 | WT% | XRF | |
| NA2O | 4.28 | WT% | XRF | |
| P2O5 | 0.09 | WT% | XRF | |
| TOTAL | 99.65 | WT% | XRF | |
| NI | 5 | PPM | XRF | |
| SC | 7 | PPM | XRF | |
| V | 24 | PPM | XRF | |
| BA | 947 | PPM | XRF | |
| RB | 39 | PPM | XRF | |
| SR | 403 | PPM | XRF | |
| ZR | 129 | PPM | XRF | |
| Y | 9 | PPM | XRF | |
| NB | 10 | PPM | XRF | |
| GA | 15 | PPM | XRF | |
| CU | 10 | PPM | XRF | |
| ZN | 56 | PPM | XRF | |
| PB | 12 | PPM | XRF | |
| LA | 19 | PPM | XRF | |
| CE | 65 | PPM | XRF | |
| TH | 0 | PPM | XRF |