Sample 1320
NavDat sample number 53055 · ANDESITE
Sample
| Sample ID | 1320 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.5333 |
|---|---|
| Longitude | -121.79 |
| 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 | 60.2 | WT% | XRF | |
| AL2O3 | 17.8 | WT% | XRF | |
| FEOT | 6.57 | WT% | XRF | |
| MGO | 2.28 | WT% | XRF | |
| CAO | 5.5 | WT% | XRF | |
| NA2O | 4.53 | WT% | XRF | |
| K2O | 1.8 | WT% | XRF | |
| TIO2 | 0.96 | WT% | XRF | |
| P2O5 | 0.25 | WT% | XRF | |
| MNO | 0.12 | WT% | XRF | |
| TOTAL | 99.7 | WT% | XRF | |
| LOI | 0.54 | WT% | XRF | |
| NA2O | 4.76 | WT% | FPHOT | |
| K2O | 1.824 | WT% | FPHOT | |
| RB | 41 | PPM | XRF | |
| SR | 485 | PPM | XRF | |
| Y | 29 | PPM | XRF | |
| ZR | 156 | PPM | XRF | |
| NB | 8 | PPM | XRF | |
| BA | 513 | PPM | XRF | |
| NI | 10 | PPM | XRF | |
| CU | 6 | PPM | XRF | |
| ZN | 69 | PPM | XRF | |
| CR | 2 | PPM | XRF |