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
saka panggonan asal disebut shoshone riverin wyoming
awet rock, medium atose rock
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque