Sample 202306
NavDat sample number 50129 · DACITE
Sample
| Sample ID | 202306 |
|---|---|
| Rock name | DACITE |
| Rock type | PLUTONIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Trachyte |
Location
| Latitude | 46.0219 |
|---|---|
| Longitude | -110.309 |
| 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 | 63.44 | WT% | XRF | |
| AL2O3 | 16.12 | WT% | XRF | |
| FE2O3 | 0.54 | WT% | XRF | |
| FEO | 4.4 | WT% | XRF | |
| MGO | 2.58 | WT% | XRF | |
| CAO | 3.86 | WT% | XRF | |
| NA2O | 4.55 | WT% | XRF | |
| K2O | 3.14 | WT% | XRF | |
| TIO2 | 0.99 | WT% | XRF | |
| P2O5 | 0.3 | WT% | XRF | |
| MNO | 0.08 | WT% | XRF | |
| LOI | 1.95 | WT% | XRF | |
| RB | 58 | PPM | EDXRF | |
| SR | 804 | PPM | EDXRF | |
| Y | 16 | PPM | EDXRF | |
| ZR | 185 | PPM | EDXRF | |
| NB | 16 | PPM | EDXRF | |
| BA | 1567 | PPM | EDXRF | |
| LA | 46 | PPM | EDXRF | |
| CE | 70 | PPM | EDXRF | |
| ND | 32 | PPM | EDXRF |