Sample 480
NavDat sample number 52876 · ANDESITE
Sample
| Sample ID | 480 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.55 |
|---|---|
| Longitude | -121.777 |
| 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 | 60.8 | WT% | XRF | |
| AL2O3 | 17.5 | WT% | XRF | |
| FEOT | 6.41 | WT% | XRF | |
| MGO | 2.21 | WT% | XRF | |
| CAO | 5.34 | WT% | XRF | |
| NA2O | 4.79 | WT% | XRF | |
| K2O | 1.63 | WT% | XRF | |
| TIO2 | 0.93 | WT% | XRF | |
| P2O5 | 0.25 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| TOTAL | 100.31 | WT% | XRF | |
| LOI | -0.01 | WT% | XRF | |
| RB | 50 | PPM | XRF | |
| SR | 497 | PPM | XRF | |
| Y | 37 | PPM | XRF | |
| ZR | 165 | PPM | XRF | |
| NB | 7 | PPM | XRF | |
| BA | 537 | PPM | XRF | |
| NI | 12 | PPM | XRF | |
| CU | 6 | PPM | XRF | |
| ZN | 64 | PPM | XRF | |
| CR | 0 | PPM | XRF |