Sample 1741
NavDat sample number 53213 · RHYOLITE
Sample
| Sample ID | 1741 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.787 |
|---|---|
| Longitude | -121.574 |
| 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 | 64.1 | WT% | XRF | |
| AL2O3 | 16.4 | WT% | XRF | |
| FEOT | 5.27 | WT% | XRF | |
| MGO | 1.81 | WT% | XRF | |
| CAO | 4.22 | WT% | XRF | |
| NA2O | 4.58 | WT% | XRF | |
| K2O | 2.37 | WT% | XRF | |
| TIO2 | 0.94 | WT% | XRF | |
| P2O5 | 0.26 | WT% | XRF | |
| MNO | 0.1 | WT% | XRF | |
| TOTAL | 97.76 | WT% | XRF | |
| LOI | 1.91 | WT% | XRF | |
| RB | 66 | PPM | XRF | |
| SR | 400 | PPM | XRF | |
| Y | 32 | PPM | XRF | |
| ZR | 212 | PPM | XRF | |
| NB | 9 | PPM | XRF | |
| BA | 584 | PPM | XRF | |
| NI | 4 | PPM | XRF | |
| CU | 36 | PPM | XRF | |
| ZN | 67 | PPM | XRF | |
| CR | 12 | PPM | XRF |