Sample 591
NavDat sample number 66136 · RHYOLITE
Sample
| Sample ID | 591 |
|---|---|
| Alternate ID | 97-LG-93 |
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Rhyolite |
Location
| Latitude | 45.1051 |
|---|---|
| Longitude | -118.676 |
| State / province | Oregon |
| Formation | Tower Mountain Volcanic Field |
| Elevation | 1475 |
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 | 75.42 | WT% | XRF | |
| AL2O3 | 13.46 | WT% | XRF | |
| TIO2 | 0.148 | WT% | XRF | |
| FEOT | 1.36 | WT% | XRF | |
| MNO | 0.021 | WT% | XRF | |
| CAO | 0.88 | WT% | XRF | |
| MGO | 0.3 | WT% | XRF | |
| K2O | 4.85 | WT% | XRF | |
| NA2O | 3.52 | WT% | XRF | |
| P2O5 | 0.036 | WT% | XRF | |
| TOTAL | 98.64 | WT% | XRF | |
| NI | 7 | PPM | XRF | |
| SC | 4 | PPM | XRF | |
| V | 0 | PPM | XRF | |
| BA | 819 | PPM | XRF | |
| RB | 93 | PPM | XRF | |
| SR | 96 | PPM | XRF | |
| ZR | 146 | PPM | XRF | |
| Y | 19 | PPM | XRF | |
| NB | 17.3 | PPM | XRF | |
| GA | 16 | PPM | XRF | |
| CU | 3 | PPM | XRF | |
| ZN | 40 | PPM | XRF | |
| PB | 8 | PPM | XRF | |
| LA | 27 | PPM | XRF | |
| CE | 51 | PPM | XRF | |
| TH | 5 | PPM | XRF |