Sample 82
NavDat sample number 17267 · ANDESITE
Sample
| Sample ID | 82 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 46.952 |
|---|---|
| Longitude | -120.989 |
| 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 | 58.69 | WT% | XRF | |
| TIO2 | 1.5 | WT% | XRF | |
| AL2O3 | 16.65 | WT% | XRF | |
| FEOT | 8.55 | WT% | XRF | |
| MNO | 0.16 | WT% | XRF | |
| MGO | 2.28 | WT% | XRF | |
| CAO | 5.92 | WT% | XRF | |
| NA2O | 3.62 | WT% | XRF | |
| K2O | 2.06 | WT% | XRF | |
| P2O5 | 0.58 | WT% | XRF | |
| TOTAL | 99.99 | WT% | XRF | |
| BA | 630 | PPM | INAA | |
| LA | 36 | PPM | INAA | |
| CE | 70.4 | PPM | INAA | |
| RB | 63 | PPM | INAA | |
| SR | 210 | PPM | INAA | |
| Y | 43 | PPM | XRF | |
| ZR | 140 | PPM | INAA | |
| CO | 14 | PPM | INAA | |
| CR | -2 | PPM | INAA | |
| NI | -23 | PPM | XRF | |
| SC | 20 | PPM | XRF | |
| V | 135 | PPM | XRF |