1 Definition
1.1 definisi
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
Flint jinis hard rock sedimentary sing mrodhuksi Piece cilik saka bahan kobong nalika mejet dening baja
1.2 Sajarah
1.2.1 asal
pennsylvania, kita
dingerteni
1.2.2 panemu
1.3 Etimologi
saka anthrakites greek, saka anthrax, anthrak meaning coal
saka Flint english lawas - jinis rock utamané misuwur atose dhuwur lan kanggo menehi mati eseman yen disabetake
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 nggoleki, rock opaque