1 Definition
1.1 definisi
foidolite jinis langka coarse-grained rock igneous intrusive karo isi Mineral feldspathoid luwih saka 60%
rhyolite punika rock igneous nggoleki-grained kang sugih ing silika
1.2 Sajarah
1.2.1 asal
1.2.2 panemu
Dingertèni
Ferdinand von Richthofen
1.3 Etimologi
saka feldspathoid Mineral kang isi utama rock
saka rhyolit german, saka stream lahar greek rhuax + watu lithos
1.4 kelas
1.4.1 sub-kelas
awet rock, rock alus
awet rock, hard rock
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock grained coarse, rock opaque