Sample MHD-4
NavDat sample number 6725 · GRANODIORITE
Sample
| Sample ID | MHD-4 |
|---|---|
| Rock name | GRANODIORITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | R. Methot |
| Comment | fine to medium grained, with hypidiomorphic texture; plagioclase, perthite, quartz, hb, biot |
Location
| Latitude | 45.6478 |
|---|---|
| Longitude | -111.916 |
| State / province | Montana |
| Volcanic field | Tobacco Root batholith |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 77 | 75 | 79 |
Analyses
No chemical analyses are stored for this sample.