Sample OP9881
NavDat sample number 42798 · DACITE
Sample
| Sample ID | OP9881 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Lava |
Location
| Latitude | 44.7667 |
|---|---|
| Longitude | -110.517 |
| 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 | 66.65 | WT% | XRF | |
| TIO2 | 0.33 | WT% | XRF | |
| AL2O3 | 15.14 | WT% | XRF | |
| FE2O3 | 2.63 | WT% | XRF | |
| MNO | 0.06 | WT% | XRF | |
| MGO | 2.02 | WT% | XRF | |
| CAO | 3.57 | WT% | XRF | |
| NA2O | 4.47 | WT% | XRF | |
| K2O | 2.32 | WT% | XRF | |
| P2O5 | 0.13 | WT% | XRF | |
| TOTAL | 97.32 | WT% | XRF | |
| BA | 1579 | PPM | XRF | |
| V | 55 | PPM | XRF | |
| CR | 75 | PPM | XRF | |
| NB | 5 | PPM | XRF | |
| NI | 41 | PPM | XRF | |
| PB | 25 | PPM | XRF | |
| RB | 42 | PPM | XRF | |
| SC | 7 | PPM | XRF | |
| SR | 772 | PPM | XRF | |
| TH | 1 | PPM | XRF | |
| Y | 7 | PPM | XRF | |
| ZR | 145 | PPM | XRF |