Sample B8719
NavDat sample number 53309 · DACITE
Sample
| Sample ID | B8719 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Champion |
Location
| Latitude | 41.57 |
|---|---|
| Longitude | -121.562 |
| 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 | 62.4 | WT% | XRF | |
| AL2O3 | 16.2 | WT% | XRF | |
| FEOT | 6.04 | WT% | XRF | |
| MGO | 1.84 | WT% | XRF | |
| CAO | 4.46 | WT% | XRF | |
| NA2O | 5.33 | WT% | XRF | |
| K2O | 1.93 | WT% | XRF | |
| TIO2 | 1.25 | WT% | XRF | |
| P2O5 | 0.46 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| TOTAL | 99.06 | WT% | XRF | |
| LOI | 0.05 | WT% | XRF | |
| RB | 40 | PPM | XRF | |
| SR | 408 | PPM | XRF | |
| Y | 36 | PPM | XRF | |
| ZR | 241 | PPM | XRF | |
| NB | 13 | PPM | XRF | |
| BA | 732 | PPM | XRF | |
| NI | 95 | PPM | XRF | |
| CU | 123 | PPM | XRF | |
| ZN | 74 | PPM | XRF |