1 Definition
1.1 definisi
coal iku combustible-ireng coklat ireng utawa sedimentary rock biasane kedadean ing parang tingkat ing lapisan sing disebut kasur coal
wesi sugih rock extrusive ditemokake minangka anggota saka alkali basalt magma seri
1.2 Sajarah
1.2.1 asal
usa
Pulo cilik saka Mull, Scotland
1.2.2 panemu
john peter Salley
ben luwih
1.3 Etimologi
saka col term english lawas, kang wis temenan Mineral karbon fosil wiwit abad kaping 13
saka jeneng panemu, ben liyane
1.4 kelas
rocks sedimentary
batuan beku
1.4.1 sub-kelas
awet rock, rock alus
awet rock, medium atose rock
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock grained nggoleki, rock opaque