| Name | Porphyritic Granite |
| Texture | Porphyritic |
| Origin | Intrusive/Plutonic |
| Chemical Composition | Felsic |
| Color | Predominately white |
| Mineral Composition | Potassium Feldspar, Quartz, Sodium Plagioclase, Biotite, Hornblende |
| Miscellaneous | Very large Potassium Feldspar Phenocrysts in a phaneritic (coarse-grained) groundmass |
| Tectonic Environment | Convergent Boundary - Intruded into batholiths above Andean-type Subduction Zone |