Sample 1422
NavDat sample number 53093 · ANDESITE
Sample
| Sample ID | 1422 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.6617 |
|---|---|
| Longitude | -121.512 |
| 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 | 56.4 | WT% | XRF | |
| AL2O3 | 17.1 | WT% | XRF | |
| FEOT | 7.66 | WT% | XRF | |
| MGO | 4.08 | WT% | XRF | |
| CAO | 7.74 | WT% | XRF | |
| NA2O | 3.84 | WT% | XRF | |
| K2O | 1.52 | WT% | XRF | |
| TIO2 | 1.17 | WT% | XRF | |
| P2O5 | 0.35 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| TOTAL | 100.43 | WT% | XRF | |
| LOI | 0.33 | WT% | XRF | |
| RB | 38 | PPM | XRF | |
| SR | 496 | PPM | XRF | |
| Y | 33 | PPM | XRF | |
| ZR | 180 | PPM | XRF | |
| NB | 12 | PPM | XRF | |
| BA | 540 | PPM | XRF | |
| NI | 34 | PPM | XRF | |
| CU | 62 | PPM | XRF | |
| ZN | 74 | PPM | XRF | |
| CR | 29 | PPM | XRF |