Sample MW971
NavDat sample number 42795 · DACITE
Sample
| Sample ID | MW971 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| 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 | 65.01 | WT% | XRF | |
| TIO2 | 0.42 | WT% | XRF | |
| AL2O3 | 15.67 | WT% | XRF | |
| FE2O3 | 4.4 | WT% | XRF | |
| MNO | 0.05 | WT% | XRF | |
| MGO | 3.04 | WT% | XRF | |
| CAO | 4.37 | WT% | XRF | |
| NA2O | 3.87 | WT% | XRF | |
| K2O | 2.14 | WT% | XRF | |
| P2O5 | 0.17 | WT% | XRF | |
| TOTAL | 99.14 | WT% | XRF | |
| BA | 1333 | PPM | XRF | |
| V | 76 | PPM | XRF | |
| CR | 127 | PPM | XRF | |
| NB | 4 | PPM | XRF | |
| NI | 54 | PPM | XRF | |
| PB | 19 | PPM | XRF | |
| RB | 33 | PPM | XRF | |
| SC | 11 | PPM | XRF | |
| SR | 800 | PPM | XRF | |
| TH | 1 | PPM | XRF | |
| Y | 9 | PPM | XRF | |
| ZR | 141 | PPM | XRF |