Anthracite lan Rhyolite Definition
definisi
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
rhyolite punika rock igneous nggoleki-grained kang sugih ing silika
asal
pennsylvania, kita
lor amerika
panemu
Dingertèni
Ferdinand von Richthofen
Etimologi
saka anthrakites greek, saka anthrax, anthrak meaning coal
saka rhyolit german, saka stream lahar greek rhuax + watu lithos
kelas
rocks metamorphic
batuan beku
sub-kelas
awet rock, rock alus
awet rock, hard rock
group
ora ditrapake
vulkanik
kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock grained coarse, rock opaque