definisi
rhyolite punika rock igneous nggoleki-grained kang sugih ing silika
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
lor amerika
wyoming, usa
panemu
Ferdinand von Richthofen
iddings
Etimologi
saka rhyolit german, saka stream lahar greek rhuax + watu lithos
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