Batubara lan Minette Definition
definisi
coal iku combustible-ireng coklat ireng utawa sedimentary rock biasane kedadean ing parang tingkat ing lapisan sing disebut kasur coal
Minette iku macem-macem lamprophyre lan porphyritic rock igneous alkalin kang utamané didominasi dening biotite lan Feldspar potassic
panemu
john peter Salley
Ora dingerteni
Etimologi
saka col term english lawas, kang wis temenan Mineral karbon fosil wiwit abad kaping 13
saka french ore mine, mine + ette
kelas
rocks sedimentary
batuan beku
sub-kelas
awet rock, rock alus
awet rock, medium atose rock
kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock grained coarse, rock grained nggoleki, rock opaque