definisi
coal iku combustible-ireng coklat ireng utawa sedimentary rock biasane kedadean ing parang tingkat ing lapisan sing disebut kasur coal
migmatite biasane rock granitic ing rock inang metamorphic kang dumadi saka loro komponen intermingled nanging pisah
Sajarah
asal
usa
Alps kidul, prancis
panemu
john peter Salley
Jakob sederholm
Etimologi
saka col term english lawas, kang wis temenan Mineral karbon fosil wiwit abad kaping 13
saka migma tembung yunani sing artine dicampur
kelas
rocks sedimentary
rocks metamorphic
sub-kelas
awet rock, rock alus
awet rock, medium atose rock
kulawarga
group
-
-
kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque