Sample MW920
NavDat sample number 42805 · BASALTIC-ANDESITE
Sample
| Sample ID | MW920 |
|---|---|
| Rock name | BASALTIC-ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Dike |
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 | 56.92 | WT% | XRF | |
| TIO2 | 0.79 | WT% | XRF | |
| AL2O3 | 15.82 | WT% | XRF | |
| FE2O3 | 8.07 | WT% | XRF | |
| MNO | 0.12 | WT% | XRF | |
| MGO | 4.46 | WT% | XRF | |
| CAO | 8.17 | WT% | XRF | |
| NA2O | 2.89 | WT% | XRF | |
| K2O | 1.53 | WT% | XRF | |
| P2O5 | 0.22 | WT% | XRF | |
| TOTAL | 98.99 | WT% | XRF | |
| BA | 1182 | PPM | XRF | |
| V | 165 | PPM | XRF | |
| CR | 289 | PPM | XRF | |
| NB | 4 | PPM | XRF | |
| NI | 70 | PPM | XRF | |
| PB | 12 | PPM | XRF | |
| RB | 37 | PPM | XRF | |
| SC | 26 | PPM | XRF | |
| SR | 693 | PPM | XRF | |
| TH | 4 | PPM | XRF | |
| Y | 17 | PPM | XRF | |
| ZR | 124 | PPM | XRF |