Sample 1688
NavDat sample number 53185 · ANDESITE
Sample
| Sample ID | 1688 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.6025 |
|---|---|
| Longitude | -121.675 |
| 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 | 59.3 | WT% | XRF | |
| AL2O3 | 17 | WT% | XRF | |
| FEOT | 7.24 | WT% | XRF | |
| MGO | 2.85 | WT% | XRF | |
| CAO | 6.08 | WT% | XRF | |
| NA2O | 4.44 | WT% | XRF | |
| K2O | 1.55 | WT% | XRF | |
| TIO2 | 1.1 | WT% | XRF | |
| P2O5 | 0.25 | WT% | XRF | |
| MNO | 0.12 | WT% | XRF | |
| TOTAL | 98.74 | WT% | XRF | |
| LOI | 0.26 | WT% | XRF | |
| RB | 47 | PPM | XRF | |
| SR | 544 | PPM | XRF | |
| Y | 29 | PPM | XRF | |
| ZR | 160 | PPM | XRF | |
| NB | 6 | PPM | XRF | |
| BA | 446 | PPM | XRF | |
| NI | 7 | PPM | XRF | |
| CU | 105 | PPM | XRF | |
| ZN | 72 | PPM | XRF | |
| CR | 24 | PPM | XRF |