Sample 1728
NavDat sample number 53206 · RHYOLITE
Sample
| Sample ID | 1728 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.5967 |
|---|---|
| Longitude | -121.467 |
| 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 | 16.7 | WT% | XRF | |
| FEOT | 5.09 | WT% | XRF | |
| MGO | 1.61 | WT% | XRF | |
| CAO | 3.94 | WT% | XRF | |
| NA2O | 4.74 | WT% | XRF | |
| K2O | 2.38 | WT% | XRF | |
| TIO2 | 0.92 | WT% | XRF | |
| P2O5 | 0.28 | WT% | XRF | |
| MNO | 0.11 | WT% | XRF | |
| TOTAL | 98.67 | WT% | XRF | |
| LOI | 0.95 | WT% | XRF | |
| RB | 52 | PPM | XRF | |
| SR | 375 | PPM | XRF | |
| Y | 32 | PPM | XRF | |
| ZR | 215 | PPM | XRF | |
| NB | 7 | PPM | XRF | |
| BA | 596 | PPM | XRF | |
| NI | 2 | PPM | XRF | |
| CU | 42 | PPM | XRF | |
| ZN | 67 | PPM | XRF | |
| CR | 5 | PPM | XRF |