Sample MW973
NavDat sample number 42796 · DACITE
Sample
| Sample ID | MW973 |
|---|---|
| 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 | 65.32 | WT% | XRF | |
| TIO2 | 0.49 | WT% | XRF | |
| AL2O3 | 16.01 | WT% | XRF | |
| FE2O3 | 5.11 | WT% | XRF | |
| MNO | 0.02 | WT% | XRF | |
| MGO | 2.08 | WT% | XRF | |
| CAO | 3.7 | WT% | XRF | |
| NA2O | 3.5 | WT% | XRF | |
| K2O | 3.02 | WT% | XRF | |
| P2O5 | 0.19 | WT% | XRF | |
| TOTAL | 99.45 | WT% | XRF | |
| BA | 1417 | PPM | XRF | |
| V | 74 | PPM | XRF | |
| CR | 71 | PPM | XRF | |
| NB | 6 | PPM | XRF | |
| NI | 32 | PPM | XRF | |
| PB | 17 | PPM | XRF | |
| RB | 61 | PPM | XRF | |
| SC | 7 | PPM | XRF | |
| SC | 8.5 | PPM | INAA | |
| CS | 0.8 | PPM | INAA | |
| SR | 527 | PPM | XRF | |
| TA | 0.9 | PPM | INAA | |
| TH | 6 | PPM | XRF | |
| Y | 13 | PPM | XRF | |
| ZR | 185 | PPM | XRF | |
| LA | 41 | PPM | INAA | |
| CE | 61 | PPM | INAA | |
| ND | 31 | PPM | INAA | |
| SM | 4.5 | PPM | INAA | |
| EU | 0.9 | PPM | INAA | |
| YB | 1.7 | PPM | INAA | |
| LU | 0.21 | PPM | INAA | |
| HF | 4 | PPM | INAA |