Sample 45
NavDat sample number 3539 · SYENITE
Sample
| Sample ID | 45 |
|---|---|
| Rock name | SYENITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | alk-syenite dike |
Location
| Latitude | 47.1262 |
|---|---|
| Longitude | -111.852 |
| Location | NW trending dike, 1/8 mile NE of SW corner of section |
| State / province | Montana |
| Volcanic field | Adel Mountain Volcanics |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 74 | 73 | 76 |