Sample 1649
NavDat sample number 53167 · DACITE
Sample
| Sample ID | 1649 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.6637 |
|---|---|
| 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 | 67.3 | WT% | XRF | |
| AL2O3 | 15.6 | WT% | XRF | |
| FEOT | 3.95 | WT% | XRF | |
| MGO | 1.31 | WT% | XRF | |
| CAO | 3.3 | WT% | XRF | |
| NA2O | 4.53 | WT% | XRF | |
| K2O | 3.14 | WT% | XRF | |
| TIO2 | 0.66 | WT% | XRF | |
| P2O5 | 0.13 | WT% | XRF | |
| MNO | 0.08 | WT% | XRF | |
| TOTAL | 98.98 | WT% | XRF | |
| LOI | 0.29 | WT% | XRF | |
| RB | 98 | PPM | XRF | |
| SR | 291 | PPM | XRF | |
| Y | 35 | PPM | XRF | |
| ZR | 248 | PPM | XRF | |
| NB | 11 | PPM | XRF | |
| BA | 657 | PPM | XRF | |
| NI | 1 | PPM | XRF | |
| CU | 28 | PPM | XRF | |
| ZN | 54 | PPM | XRF | |
| CR | 8 | PPM | XRF |