Sample MW972
NavDat sample number 42781 · BASALTIC-ANDESITE
Sample
| Sample ID | MW972 |
|---|---|
| Rock name | BASALTIC-ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Lava |
Location
| Latitude | 44.7667 |
|---|---|
| Longitude | -110.467 |
| Location | SW Washburn Range |
| 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 | 55.62 | WT% | XRF | |
| TIO2 | 0.75 | WT% | XRF | |
| AL2O3 | 14.6 | WT% | XRF | |
| FE2O3 | 8.28 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| MGO | 7.36 | WT% | XRF | |
| CAO | 7.95 | WT% | XRF | |
| NA2O | 2.87 | WT% | XRF | |
| K2O | 1.72 | WT% | XRF | |
| P2O5 | 0.23 | WT% | XRF | |
| TOTAL | 99.5 | WT% | XRF | |
| BA | 945 | PPM | XRF | |
| V | 188 | PPM | XRF | |
| CR | 324 | PPM | XRF | |
| NB | 5 | PPM | XRF | |
| NI | 96 | PPM | XRF | |
| PB | 11 | PPM | XRF | |
| RB | 27 | PPM | XRF | |
| SC | 21 | PPM | XRF | |
| SR | 676 | PPM | XRF | |
| TH | 5 | PPM | XRF | |
| Y | 14 | PPM | XRF | |
| ZR | 124 | PPM | XRF |