Sample 452
NavDat sample number 53324 · ANDESITE
Sample
| Sample ID | 452 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.595 |
|---|---|
| Longitude | -121.772 |
| State / province | California |
| Volcanic field | Medicine Lake |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 1.81 | 0.583 | 3.04 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 59.6 | WT% | XRF | |
| AL2O3 | 18.2 | WT% | XRF | |
| FEOT | 5.49 | WT% | XRF | |
| MGO | 4.1 | WT% | XRF | |
| CAO | 7.08 | WT% | XRF | |
| NA2O | 3.53 | WT% | XRF | |
| K2O | 1.16 | WT% | XRF | |
| TIO2 | 0.66 | WT% | XRF | |
| P2O5 | 0.16 | WT% | XRF | |
| MNO | 0.09 | WT% | XRF | |
| TOTAL | 99.66 | WT% | XRF | |
| LOI | 0.71 | WT% | XRF | |
| RB | 33 | PPM | XRF | |
| SR | 680 | PPM | XRF | |
| Y | 25 | PPM | XRF | |
| ZR | 124 | PPM | XRF | |
| NB | 7 | PPM | XRF | |
| BA | 404 | PPM | XRF | |
| NI | 52 | PPM | XRF | |
| CU | 25 | PPM | XRF | |
| ZN | 44 | PPM | XRF | |
| CR | 60 | PPM | XRF |