1 Definition
1.1 definisi
rhyolite punika rock igneous nggoleki-grained kang sugih ing silika
ijolite iku sawijining rock intrusive igneous kang dumadi utamané nepheline lan pyroxene alkali, biasane aegirine-augite
1.2 Sajarah
1.2.1 asal
lor amerika
finland, europe
1.2.2 panemu
Ferdinand von Richthofen
Dingertèni
1.3 Etimologi
saka rhyolit german, saka stream lahar greek rhuax + watu lithos
saka syllable pisanan saka tembung finnish ii-vaara, iijoki, andc. umume digunakake jeneng geografis ing finland, lan gr ing. xiflos, watu
1.4 kelas
1.4.1 sub-kelas
awet rock, hard rock
awet rock, medium atose rock
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock grained coarse, rock opaque
rock grained coarse, rock opaque