Sample 1318
NavDat sample number 53053 · ANDESITE
Sample
| Sample ID | 1318 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.5583 |
|---|---|
| Longitude | -121.772 |
| 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 | 17.7 | WT% | XRF | |
| FEOT | 5.58 | WT% | XRF | |
| MGO | 1.73 | WT% | XRF | |
| CAO | 4.69 | WT% | XRF | |
| NA2O | 4.66 | WT% | XRF | |
| K2O | 1.95 | WT% | XRF | |
| TIO2 | 0.77 | WT% | XRF | |
| P2O5 | 0.4 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| TOTAL | 98.74 | WT% | XRF | |
| LOI | 1.25 | WT% | XRF | |
| NA2O | 4.87 | WT% | FPHOT | |
| K2O | 1.945 | WT% | FPHOT | |
| RB | 45 | PPM | XRF | |
| SR | 487 | PPM | XRF | |
| Y | 30 | PPM | XRF | |
| ZR | 205 | PPM | XRF | |
| NB | 10 | PPM | XRF | |
| BA | 667 | PPM | XRF | |
| NI | 11 | PPM | XRF | |
| CU | 3 | PPM | XRF | |
| ZN | 81 | PPM | XRF | |
| CR | 2 | PPM | XRF |