Sample 1536
NavDat sample number 53132 · DACITE
Sample
| Sample ID | 1536 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.6467 |
|---|---|
| Longitude | -121.542 |
| 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 | WT% | XRF | |
| AL2O3 | 15.5 | WT% | XRF | |
| FEOT | 4.82 | WT% | XRF | |
| MGO | 2.94 | WT% | XRF | |
| CAO | 4.86 | WT% | XRF | |
| NA2O | 3.68 | WT% | XRF | |
| K2O | 3.17 | WT% | XRF | |
| TIO2 | 0.74 | WT% | XRF | |
| P2O5 | 0.16 | WT% | XRF | |
| MNO | 0.09 | WT% | XRF | |
| TOTAL | 99.61 | WT% | XRF | |
| LOI | 0.35 | WT% | XRF | |
| RB | 94 | PPM | XRF | |
| SR | 180 | PPM | XRF | |
| Y | 33 | PPM | XRF | |
| ZR | 240 | PPM | XRF | |
| NB | 11 | PPM | XRF | |
| BA | 574 | PPM | XRF | |
| NI | 38 | PPM | XRF | |
| CU | 24 | PPM | XRF | |
| ZN | 53 | PPM | XRF | |
| CR | 33 | PPM | XRF |