Sample 185-28B
NavDat sample number 13348 · ANDESITE
Sample
| Sample ID | 185-28B |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 46.655 |
|---|---|
| Longitude | -122.463 |
| State / province | Washington |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 40 | 35 | 45 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 57.98 | WT% | XRF | |
| TIO2 | 0.94 | WT% | XRF | |
| AL2O3 | 17.33 | WT% | XRF | |
| FEOT | 7.08 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| MGO | 4.04 | WT% | XRF | |
| CAO | 6.79 | WT% | XRF | |
| NA2O | 3.77 | WT% | XRF | |
| K2O | 1.65 | WT% | XRF | |
| P2O5 | 0.27 | WT% | XRF | |
| TOTAL | 99.98 | WT% | XRF | |
| BA | 418 | PPM | XRF | |
| LA | 31.7 | PPM | XRF | |
| CE | 62.8 | PPM | XRF | |
| RB | 23 | PPM | XRF | |
| SR | 886 | PPM | XRF | |
| Y | 17 | PPM | XRF | |
| ZR | 201 | PPM | XRF | |
| CO | 24.9 | PPM | XRF | |
| CR | 36 | PPM | XRF | |
| NI | 35 | PPM | XRF | |
| SC | 19 | PPM | XRF | |
| V | 174 | PPM | XRF |