Sample 1620
NavDat sample number 53161 · ANDESITE
Sample
| Sample ID | 1620 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.6415 |
|---|---|
| Longitude | -121.451 |
| State / province | California |
| Volcanic field | Medicine Lake |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.041 | 0.029 | 0.549 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 58.2 | WT% | XRF | |
| AL2O3 | 17.2 | WT% | XRF | |
| FEOT | 6.46 | WT% | XRF | |
| MGO | 4.28 | WT% | XRF | |
| CAO | 6.9 | WT% | XRF | |
| NA2O | 3.7 | WT% | XRF | |
| K2O | 1.88 | WT% | XRF | |
| TIO2 | 0.92 | WT% | XRF | |
| P2O5 | 0.31 | WT% | XRF | |
| MNO | 0.11 | WT% | XRF | |
| TOTAL | 99.6 | WT% | XRF | |
| LOI | 0.56 | WT% | XRF | |
| RB | 50 | PPM | XRF | |
| SR | 462 | PPM | XRF | |
| Y | 27 | PPM | XRF | |
| ZR | 176 | PPM | XRF | |
| NB | 10 | PPM | XRF | |
| BA | 571 | PPM | XRF | |
| NI | 55 | PPM | XRF | |
| CU | 58 | PPM | XRF | |
| ZN | 84 | PPM | XRF | |
| CR | 33 | PPM | XRF |