Sample MW974
NavDat sample number 42799 · DACITE
Sample
| Sample ID | MW974 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Dike |
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 | 67.11 | WT% | XRF | |
| TIO2 | 0.43 | WT% | XRF | |
| AL2O3 | 15.31 | WT% | XRF | |
| FE2O3 | 3.48 | WT% | XRF | |
| MNO | 0.05 | WT% | XRF | |
| MGO | 1.61 | WT% | XRF | |
| CAO | 3.45 | WT% | XRF | |
| NA2O | 3.75 | WT% | XRF | |
| K2O | 2.61 | WT% | XRF | |
| P2O5 | 0.15 | WT% | XRF | |
| TOTAL | 97.94 | WT% | XRF | |
| BA | 1445 | PPM | XRF | |
| V | 52 | PPM | XRF | |
| CR | 42 | PPM | XRF | |
| NB | 6 | PPM | XRF | |
| NI | 25 | PPM | XRF | |
| PB | 22 | PPM | XRF | |
| RB | 81 | PPM | XRF | |
| SC | 8 | PPM | XRF | |
| SC | 6.8 | PPM | INAA | |
| CS | 1.1 | PPM | INAA | |
| SR | 510 | PPM | XRF | |
| TA | 0.42 | PPM | INAA | |
| U | 1.17 | PPM | INAA | |
| TH | 5 | PPM | XRF | |
| Y | 13 | PPM | XRF | |
| ZR | 180 | PPM | XRF | |
| LA | 37 | PPM | INAA | |
| CE | 61.4 | PPM | INAA | |
| ND | 25.7 | PPM | INAA | |
| SM | 3.58 | PPM | INAA | |
| EU | 1.1 | PPM | INAA | |
| TB | 0.36 | PPM | INAA | |
| YB | 1.01 | PPM | INAA | |
| LU | 0.15 | PPM | INAA | |
| HF | 3.65 | PPM | INAA | |
| SR87_SR86 | 0.708263 | MS | ||
| ND143_ND144 | 0.511181 | MS |