1 Definition
1.1 definisi
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
slate punika, kabeh podho rock metamorphic nggoleki-grained, foliated asalé saka krikel-jinis sedimentary rock asli dumadi saka lempung utawa awu vulkanik liwat kurang-bahan metamorphism regional
1.2 Sajarah
1.2.1 asal
pennsylvania, kita
england
1.2.2 panemu
1.3 Etimologi
saka anthrakites greek, saka anthrax, anthrak meaning coal
saka lawas esclate french, saka esclat (french éclat)
1.4 kelas
rocks metamorphic
rocks metamorphic
1.4.1 sub-kelas
awet rock, rock alus
awet rock, medium atose 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 nggoleki, rock opaque