definisi
pegmatite rock punika holocrystalline, rock igneous intrusive kang dumadi saka interlocking kristal phaneritic
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
asal
dingerteni
wyoming, usa
Etimologi
saka pegma greek, pegmat kang bab liya- katunggilaké + -ite
saka panggonan asal disebut shoshone riverin wyoming
kelas
batuan beku
batuan beku
sub-kelas
awet rock, hard rock
awet rock, medium atose rock
kategori liyane
rock grained coarse, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque