definisi
rhyolite punika rock igneous nggoleki-grained kang sugih ing silika
nephelinite punika rock igneous nggoleki-grained utawa aphanitic arupi meh tanggung saka nepheline lan clinopyroxene (macem-macem augite).
Sajarah
asal
lor amerika
brasil
panemu
Ferdinand von Richthofen
Ora dingerteni
Etimologi
saka rhyolit german, saka stream lahar greek rhuax + watu lithos
saka néphéline french, saka Nefele greek
kelas
batuan beku
batuan beku
sub-kelas
awet rock, hard rock
awet rock, hard rock
kulawarga
group
vulkanik
plutonic
kategori liyane
rock grained coarse, rock opaque
rock grained nggoleki, rock opaque