Sample 2065
NavDat sample number 53287 · RHYOLITE
Sample
| Sample ID | 2065 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.6823 |
|---|---|
| Longitude | -121.59 |
| State / province | California |
| Volcanic field | Medicine Lake |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.29 | 0.029 | 0.549 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 73.9 | WT% | XRF | |
| AL2O3 | 14.1 | WT% | XRF | |
| FEOT | 1.57 | WT% | XRF | |
| MGO | 0.21 | WT% | XRF | |
| CAO | 1.03 | WT% | XRF | |
| NA2O | 4.2 | WT% | XRF | |
| K2O | 4.47 | WT% | XRF | |
| TIO2 | 0.31 | WT% | XRF | |
| P2O5 | 0.11 | WT% | XRF | |
| MNO | 0.04 | WT% | XRF | |
| TOTAL | 98.4 | WT% | XRF | |
| LOI | 0.66 | WT% | XRF | |
| RB | 117 | PPM | XRF | |
| SR | 114 | PPM | XRF | |
| Y | 27 | PPM | XRF | |
| ZR | 210 | PPM | XRF | |
| NB | 12 | PPM | XRF | |
| BA | 822 | PPM | XRF | |
| NI | 6 | PPM | XRF | |
| CU | 22 | PPM | XRF | |
| ZN | 37 | PPM | XRF |