definisi
coal iku combustible-ireng coklat ireng utawa sedimentary rock biasane kedadean ing parang tingkat ing lapisan sing disebut kasur coal
phonolite iku sawijining extrusive igneous rock rock vulkanik umum saka komposisi kimia antarané felsic lan mafic
Sajarah
asal
usa
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panemu
john peter Salley
Ora dingerteni
Etimologi
saka col term english lawas, kang wis temenan Mineral karbon fosil wiwit abad kaping 13
saka makna greek mungel watu amarga saka metallic swara mrodhuksi yen plate unfractured wis mejet
kelas
rocks sedimentary
batuan beku
sub-kelas
awet rock, rock alus
awet rock, medium atose rock
kulawarga
group
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kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock grained nggoleki, rock opaque