1 Definition
1.1 definisi
rhyolite punika rock igneous nggoleki-grained kang sugih ing silika
porphyry punika reddish-coklat kanggo kain rock igneous ngemot phenocrysts akeh macem-macem mineral ditempelake ing matrik nggoleki-grained
1.2 Sajarah
1.2.1 asal
1.2.2 panemu
Ferdinand von Richthofen
Dingertèni
1.3 Etimologi
saka rhyolit german, saka stream lahar greek rhuax + watu lithos
saka lawas porfire french, saka porfiro italian lan ing sawetara kasus langsung saka porphyrites latin
1.4 kelas
1.4.1 sub-kelas
awet rock, hard rock
awet rock, hard rock
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock grained coarse, rock opaque
rock grained nggoleki, rock opaque