Sample 1650
NavDat sample number 53169 · RHYOLITE
Sample
| Sample ID | 1650 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.6638 |
|---|---|
| Longitude | -121.605 |
| 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 | 64.2 | WT% | XRF | |
| AL2O3 | 16.5 | WT% | XRF | |
| FEOT | 5.05 | WT% | XRF | |
| MGO | 1.73 | WT% | XRF | |
| CAO | 4.24 | WT% | XRF | |
| NA2O | 4.73 | WT% | XRF | |
| K2O | 2.33 | WT% | XRF | |
| TIO2 | 0.91 | WT% | XRF | |
| P2O5 | 0.24 | WT% | XRF | |
| MNO | 0.1 | WT% | XRF | |
| TOTAL | 100.1 | WT% | XRF | |
| LOI | 0.22 | WT% | XRF | |
| RB | 72 | PPM | XRF | |
| SR | 407 | PPM | XRF | |
| Y | 32 | PPM | XRF | |
| ZR | 216 | PPM | XRF | |
| NB | 9 | PPM | XRF | |
| BA | 620 | PPM | XRF | |
| NI | 6 | PPM | XRF | |
| CU | 43 | PPM | XRF | |
| ZN | 71 | PPM | XRF | |
| CR | 8 | PPM | XRF |