Sample 1722
NavDat sample number 53199 · RHYOLITE
Sample
| Sample ID | 1722 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.53 |
|---|---|
| Longitude | -121.795 |
| 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 | 62.3 | WT% | XRF | |
| AL2O3 | 18 | WT% | XRF | |
| FEOT | 5.8 | WT% | XRF | |
| MGO | 2.07 | WT% | XRF | |
| CAO | 4 | WT% | XRF | |
| NA2O | 4.39 | WT% | XRF | |
| K2O | 2.02 | WT% | XRF | |
| TIO2 | 1.01 | WT% | XRF | |
| P2O5 | 0.26 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| TOTAL | 96.62 | WT% | XRF | |
| LOI | 2.86 | WT% | XRF | |
| RB | 33 | PPM | XRF | |
| SR | 389 | PPM | XRF | |
| Y | 34 | PPM | XRF | |
| ZR | 219 | PPM | XRF | |
| NB | 10 | PPM | XRF | |
| BA | 602 | PPM | XRF | |
| NI | 6 | PPM | XRF | |
| CU | 30 | PPM | XRF | |
| ZN | 67 | PPM | XRF | |
| CR | 13 | PPM | XRF |