Sample 1450
NavDat sample number 53100 · ANDESITE
Sample
| Sample ID | 1450 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.655 |
|---|---|
| Longitude | -121.495 |
| 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 | 58.3 | WT% | XRF | |
| AL2O3 | 17.1 | WT% | XRF | |
| FEOT | 6.46 | WT% | XRF | |
| MGO | 4.38 | WT% | XRF | |
| CAO | 6.97 | WT% | XRF | |
| NA2O | 3.68 | WT% | XRF | |
| K2O | 1.82 | WT% | XRF | |
| TIO2 | 0.91 | WT% | XRF | |
| P2O5 | 0.31 | WT% | XRF | |
| MNO | 0.11 | WT% | XRF | |
| TOTAL | 99.7 | WT% | XRF | |
| LOI | 0.64 | WT% | XRF | |
| RB | 50 | PPM | XRF | |
| SR | 468 | PPM | XRF | |
| Y | 33 | PPM | XRF | |
| ZR | 172 | PPM | XRF | |
| NB | 11 | PPM | XRF | |
| BA | 558 | PPM | XRF | |
| NI | 69 | PPM | XRF | |
| CU | 43 | PPM | XRF | |
| ZN | 61 | PPM | XRF | |
| CR | 52 | PPM | XRF |