Sample 202310
NavDat sample number 50131 · DACITE
Sample
| Sample ID | 202310 |
|---|---|
| Rock name | DACITE |
| Rock type | PLUTONIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Trachyte |
Location
| Latitude | 46.0256 |
|---|---|
| Longitude | -110.29 |
| Location | Crazy Mountains |
| State / province | Montana |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 50 | 49.5 | 50.5 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 62.51 | WT% | XRF | |
| AL2O3 | 18.05 | WT% | XRF | |
| FE2O3 | 0.47 | WT% | XRF | |
| FEO | 3.79 | WT% | XRF | |
| MGO | 1.43 | WT% | XRF | |
| CAO | 3.83 | WT% | XRF | |
| NA2O | 4.83 | WT% | XRF | |
| K2O | 3.73 | WT% | XRF | |
| TIO2 | 0.96 | WT% | XRF | |
| P2O5 | 0.33 | WT% | XRF | |
| MNO | 0.07 | WT% | XRF | |
| LOI | 1.16 | WT% | XRF | |
| RB | 77 | PPM | EDXRF | |
| SR | 788 | PPM | EDXRF | |
| Y | 29 | PPM | EDXRF | |
| ZR | 275 | PPM | EDXRF | |
| NB | 29 | PPM | EDXRF | |
| BA | 1806 | PPM | EDXRF | |
| LA | 60 | PPM | EDXRF | |
| CE | 110 | PPM | EDXRF | |
| ND | 62 | PPM | EDXRF |