1 Definition
1.1 definisi
rhyolite punika rock igneous nggoleki-grained kang sugih ing silika
troctolite jinis rock intrusive mafic. iku kasusun ateges Jumlah utama nanging maneko rupo olivine lan calcic plagioclase bebarengan karo pyroxene suntingan. iku anorthosite-sugih olivine, utawa sing relatif pyroxene-kurang saka gabbro
1.2 Sajarah
1.2.1 asal
1.2.2 panemu
Ferdinand von Richthofen
christian Leopold von Buch
1.3 Etimologi
saka rhyolit german, saka stream lahar greek rhuax + watu lithos
saka troklotit german, saka trōktēs greek, iwak segara (dijupuk dadi sejenis iwak)
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 coarse, rock opaque