definisi
rhyolite punika rock igneous nggoleki-grained kang sugih ing silika
trachyandesite iku sawijining igneous rock extrusive.
Sajarah
asal
lor amerika
indonesia
panemu
Ferdinand von Richthofen
Ora dingerteni
Etimologi
saka rhyolit german, saka stream lahar greek rhuax + watu lithos
saka french trachyandésite, trachy + andesit awujud, a lahar penengah ing komposisi antarane trachyte lan awujud
kelas
batuan beku
batuan beku
sub-kelas
awet rock, hard rock
awet rock, medium atose rock
kulawarga
group
vulkanik
vulkanik
kategori liyane
rock grained coarse, rock opaque
rock grained nggoleki, rock opaque