Sample MW9711
NavDat sample number 42789 · DACITE
Sample
| Sample ID | MW9711 |
|---|---|
| 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 | 64.09 | WT% | XRF | |
| TIO2 | 0.51 | WT% | XRF | |
| AL2O3 | 16.21 | WT% | XRF | |
| FE2O3 | 4.82 | WT% | XRF | |
| MNO | 0.08 | WT% | XRF | |
| MGO | 3.03 | WT% | XRF | |
| CAO | 4.61 | WT% | XRF | |
| NA2O | 3.85 | WT% | XRF | |
| K2O | 1.88 | WT% | XRF | |
| P2O5 | 0.19 | WT% | XRF | |
| TOTAL | 99.27 | WT% | XRF | |
| BA | 1372 | PPM | XRF | |
| V | 79 | PPM | XRF | |
| CR | 115 | PPM | XRF | |
| NB | 5 | PPM | XRF | |
| NI | 53 | PPM | XRF | |
| PB | 17 | PPM | XRF | |
| RB | 79 | PPM | XRF | |
| SC | 9 | PPM | XRF | |
| SC | 10.3 | PPM | INAA | |
| CS | 2.4 | PPM | INAA | |
| SR | 626 | PPM | XRF | |
| U | 2 | PPM | INAA | |
| TH | 5 | PPM | XRF | |
| Y | 13 | PPM | XRF | |
| ZR | 176 | PPM | XRF | |
| LA | 39 | PPM | INAA | |
| CE | 69 | PPM | INAA | |
| ND | 23 | PPM | INAA | |
| SM | 4.5 | PPM | INAA | |
| EU | 1.32 | PPM | INAA | |
| TB | 0.38 | PPM | INAA | |
| YB | 1.2 | PPM | INAA | |
| LU | 0.21 | PPM | INAA | |
| HF | 5 | PPM | INAA |