1 Definition
1.1 definisi
rhyolite punika rock igneous nggoleki-grained kang sugih ing silika
vogesite punika igneous alkalin porphyritic rock lan macem-macem lamprophyre kang didominasi dening amphibole penting, biasane hornblende, lan Feldspar potassic
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 macem-macem lamprophyre greek lampros padhang lan kang madhangi + porphureos kain
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 grained nggoleki, rock opaque