1 Definition
1.1 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
1.2 Sajarah
1.2.1 asal
pennsylvania, kita
france
1.2.2 panemu
Dingertèni
Alexandre brongniart
1.3 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
1.4 kelas
rocks metamorphic
rocks sedimentary
1.4.1 sub-kelas
awet rock, rock alus
awet rock, hard rock
1.5 kulawarga
1.5.1 group
ora ditrapake
ora ditrapake
1.6 kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock grained coarse, rock opaque