Anthracite lan Arkose Definition
definisi
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
arkose punika rock sedimentary, khusus jinis sandstone ngemot paling sethithik 25% Feldspar
asal
pennsylvania, kita
france
panemu
Ora dingerteni
Alexandre brongniart
Etimologi
saka anthrakites greek, saka anthrax, anthrak meaning coal
saka wilayah Auvergne saka prancis digunakake dening geologist Alexandre brongniart french 1826 sing Applied istilah iki kanggo sawetara sandstones feldspathic
kelas
rocks metamorphic
rocks sedimentary
sub-kelas
awet rock, rock alus
awet rock, hard rock
kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock grained coarse, rock opaque