Rhyolite lan Batubara Definition
definisi
rhyolite punika rock igneous nggoleki-grained kang sugih ing silika
coal iku combustible-ireng coklat ireng utawa sedimentary rock biasane kedadean ing parang tingkat ing lapisan sing disebut kasur coal
panemu
Ferdinand von Richthofen
john peter Salley
Etimologi
saka rhyolit german, saka stream lahar greek rhuax + watu lithos
saka col term english lawas, kang wis temenan Mineral karbon fosil wiwit abad kaping 13
kelas
batuan beku
rocks sedimentary
sub-kelas
awet rock, hard rock
awet rock, rock alus
kategori liyane
rock grained coarse, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque