Batubara lan Gabbro Definition
definisi
coal iku combustible-ireng coklat ireng utawa sedimentary rock biasane kedadean ing parang tingkat ing lapisan sing disebut kasur coal
gabbro iku sawijining igneous rock intrusive kang kimia padha karo kanggo basalt plutonic
panemu
john peter Salley
christian Leopold von Buch
Etimologi
saka col term english lawas, kang wis temenan Mineral karbon fosil wiwit abad kaping 13
saka latin glaber gundhul, Gamelan, gundul
kelas
rocks sedimentary
batuan beku
sub-kelas
awet rock, rock alus
awet rock, hard rock
group
ora ditrapake
plutonic
kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock grained coarse, rock opaque