Trachyte lan Rhyolite Definition
definisi
trachyte punika rock vulkanik nggoleki-grained werna abu-abu kang utamané dumadi saka Feldspar alkali
rhyolite punika rock igneous nggoleki-grained kang sugih ing silika
asal
dingerteni
lor amerika
panemu
Alexandre brongniart Rene Hauy
Ferdinand von Richthofen
Etimologi
saka trakhus greek atos 'utawa roughness trakhutēs
saka rhyolit german, saka stream lahar greek rhuax + watu lithos
kelas
batuan beku
batuan beku
sub-kelas
awet rock, medium atose rock
awet rock, hard rock
kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock opaque