Sample MW9721
NavDat sample number 42810 · ANDESITE
Sample
| Sample ID | MW9721 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Lava |
Location
| Latitude | 44.7667 |
|---|---|
| Longitude | -110.45 |
| Location | Mt. Washburn |
| State / province | MT/WY |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 53 | 52 | 55 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 59.18 | WT% | XRF | |
| TIO2 | 0.7 | WT% | XRF | |
| AL2O3 | 15.89 | WT% | XRF | |
| FE2O3 | 6.56 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| MGO | 4.67 | WT% | XRF | |
| CAO | 6.73 | WT% | XRF | |
| NA2O | 2.88 | WT% | XRF | |
| K2O | 2.39 | WT% | XRF | |
| P2O5 | 0.2 | WT% | XRF | |
| TOTAL | 99.32 | WT% | XRF | |
| BA | 1306 | PPM | XRF | |
| V | 157 | PPM | XRF | |
| CR | 138 | PPM | XRF | |
| NB | 5 | PPM | XRF | |
| NI | 37 | PPM | XRF | |
| PB | 13 | PPM | XRF | |
| RB | 44 | PPM | XRF | |
| SC | 19 | PPM | XRF | |
| SR | 706 | PPM | XRF | |
| TH | 1 | PPM | XRF | |
| Y | 15 | PPM | XRF | |
| ZR | 138 | PPM | XRF |