Sample 2054
NavDat sample number 53357 · ANDESITE
Sample
| Sample ID | 2054 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.6558 |
|---|---|
| Longitude | -121.773 |
| 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 | 58 | WT% | XRF | |
| AL2O3 | 18.4 | WT% | XRF | |
| FEOT | 6.24 | WT% | XRF | |
| MGO | 4.05 | WT% | XRF | |
| CAO | 7.46 | WT% | XRF | |
| NA2O | 3.53 | WT% | XRF | |
| K2O | 1.19 | WT% | XRF | |
| TIO2 | 0.76 | WT% | XRF | |
| P2O5 | 0.28 | WT% | XRF | |
| MNO | 0.12 | WT% | XRF | |
| TOTAL | 98.79 | WT% | XRF | |
| LOI | 0.89 | WT% | XRF | |
| RB | 28 | PPM | XRF | |
| SR | 703 | PPM | XRF | |
| Y | 17 | PPM | XRF | |
| ZR | 98 | PPM | XRF | |
| NB | 7 | PPM | XRF | |
| BA | 490 | PPM | XRF | |
| NI | 28 | PPM | XRF | |
| CU | 66 | PPM | XRF | |
| ZN | 69 | PPM | XRF |