shoshonite punika rock basaltic, mlaku a trachyandesite potassic, dumadi saka olivine, augite lan plagioclase phenocrysts ing groundmass karo plagioclase calcic lan sanidine lan sawetara kaca vulkanik peteng-colored 0
saka panggonan asal disebut shoshone riverin wyoming 0
awet rock, medium atose rock 0
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque 0