definisi
coal iku combustible-ireng coklat ireng utawa sedimentary rock biasane kedadean ing parang tingkat ing lapisan sing disebut kasur coal
vogesite punika igneous alkalin porphyritic rock lan macem-macem lamprophyre kang didominasi dening amphibole penting, biasane hornblende, lan Feldspar potassic
Sajarah
asal
usa
-
panemu
john peter Salley
Ora dingerteni
Etimologi
saka col term english lawas, kang wis temenan Mineral karbon fosil wiwit abad kaping 13
saka macem-macem lamprophyre greek lampros padhang lan kang madhangi + porphureos kain
kelas
rocks sedimentary
batuan beku
sub-kelas
awet rock, rock alus
awet rock, medium atose rock
kulawarga
group
-
plutonic
kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock grained coarse, rock grained nggoleki, rock opaque