Sample 57
NavDat sample number 17268 · ANDESITE
Sample
| Sample ID | 57 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 46.945 |
|---|---|
| Longitude | -121.062 |
| State / province | Washington |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 25 | 24 | 27 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 58.75 | WT% | XRF | |
| TIO2 | 0.95 | WT% | XRF | |
| AL2O3 | 19.36 | WT% | XRF | |
| FEOT | 6 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| MGO | 1.84 | WT% | XRF | |
| CAO | 7.07 | WT% | XRF | |
| NA2O | 3.62 | WT% | XRF | |
| K2O | 1.89 | WT% | XRF | |
| P2O5 | 0.39 | WT% | XRF | |
| TOTAL | 100.01 | WT% | XRF | |
| BA | 660 | PPM | INAA | |
| LA | 29.9 | PPM | INAA | |
| CE | 66.7 | PPM | INAA | |
| RB | 63 | PPM | INAA | |
| SR | 380 | PPM | INAA | |
| Y | 34 | PPM | XRF | |
| ZR | 200 | PPM | INAA | |
| CO | 11 | PPM | INAA | |
| CR | -2 | PPM | INAA | |
| NI | -20 | PPM | XRF | |
| SC | 14 | PPM | XRF | |
| V | 83 | PPM | XRF |