Sample 504
NavDat sample number 52881 · ANDESITE
Sample
| Sample ID | 504 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.55 |
|---|---|
| Longitude | -121.795 |
| 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 | 59.7 | WT% | XRF | |
| AL2O3 | 18.2 | WT% | XRF | |
| FEOT | 6.63 | WT% | XRF | |
| MGO | 2.2 | WT% | XRF | |
| CAO | 5.59 | WT% | XRF | |
| NA2O | 4.68 | WT% | XRF | |
| K2O | 1.58 | WT% | XRF | |
| TIO2 | 0.89 | WT% | XRF | |
| P2O5 | 0.4 | WT% | XRF | |
| MNO | 0.15 | WT% | XRF | |
| TOTAL | 99.46 | WT% | XRF | |
| LOI | 0.68 | WT% | XRF | |
| RB | 35 | PPM | XRF | |
| SR | 536 | PPM | XRF | |
| Y | 41 | PPM | XRF | |
| ZR | 186 | PPM | XRF | |
| NB | 9 | PPM | XRF | |
| BA | 583 | PPM | XRF | |
| NI | 13 | PPM | XRF | |
| CU | 5 | PPM | XRF | |
| ZN | 81 | PPM | XRF | |
| CR | 1 | PPM | XRF |