Sample 71
NavDat sample number 17269 · ANDESITE
Sample
| Sample ID | 71 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 46.946 |
|---|---|
| Longitude | -121.003 |
| 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 | 60.5 | WT% | XRF | |
| TIO2 | 1.2 | WT% | XRF | |
| AL2O3 | 17.04 | WT% | XRF | |
| FEOT | 7.46 | WT% | XRF | |
| MNO | 0.18 | WT% | XRF | |
| MGO | 2.22 | WT% | XRF | |
| CAO | 5.19 | WT% | XRF | |
| NA2O | 3.72 | WT% | XRF | |
| K2O | 1.98 | WT% | XRF | |
| P2O5 | 0.51 | WT% | XRF | |
| TOTAL | 100.01 | WT% | XRF | |
| BA | 650 | PPM | INAA | |
| LA | 34.3 | PPM | INAA | |
| CE | 76.4 | PPM | INAA | |
| RB | 65 | PPM | INAA | |
| SR | 180 | PPM | INAA | |
| Y | 35 | PPM | XRF | |
| ZR | 230 | PPM | INAA | |
| CO | 12 | PPM | INAA | |
| CR | -2 | PPM | INAA | |
| NI | -21 | PPM | XRF | |
| SC | 18 | PPM | XRF | |
| V | 67 | PPM | XRF |