definisi
rhyolite punika rock igneous nggoleki-grained kang sugih ing silika
tachylite punika wangun vitreous saka kaca vulkanik basaltic. kaca iki alami dening cooling kanthi cepet saka basalt molten
panemu
Ferdinand von Richthofen
Dingertèni
Etimologi
saka rhyolit german, saka stream lahar greek rhuax + watu lithos
saka tachylite german, saka tachy- + lutos greek telat, leleh
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