Sample 484
NavDat sample number 52877 · ANDESITE
Sample
| Sample ID | 484 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.5683 |
|---|---|
| Longitude | -121.74 |
| 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 | 60.5 | WT% | XRF | |
| AL2O3 | 17.7 | WT% | XRF | |
| FEOT | 6.49 | WT% | XRF | |
| MGO | 2.17 | WT% | XRF | |
| CAO | 5.47 | WT% | XRF | |
| NA2O | 4.6 | WT% | XRF | |
| K2O | 1.74 | WT% | XRF | |
| TIO2 | 0.89 | WT% | XRF | |
| P2O5 | 0.35 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| TOTAL | 99.75 | WT% | XRF | |
| LOI | 0.64 | WT% | XRF | |
| RB | 44 | PPM | XRF | |
| SR | 509 | PPM | XRF | |
| Y | 36 | PPM | XRF | |
| ZR | 183 | PPM | XRF | |
| NB | 12 | PPM | XRF | |
| BA | 561 | PPM | XRF | |
| NI | 11 | PPM | XRF | |
| CU | 9 | PPM | XRF | |
| ZN | 79 | PPM | XRF | |
| CR | 1 | PPM | XRF |