| Rock group | Igneous |
| Classification | Intrusive/plutonic |
| Composition | Intermediate |
| Texture | Phaneritic |
| Extrusive counterpart | Andesite |
| Common minerals | Plagioclase feldspar Biotite Hornblende Pyroxene Quartz |
Diorite in Hand Sample
Diorite
Two small samples of diorite
Diorite intruded by granite pegmatite dike
Diorite in Thin Section
Thin Section GigaPans
Diorite in plane polars
Diorite in crossed polars
Another diorite in plane polars
Another diorite in crossed polars
