definisi
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
migmatite biasane rock granitic ing rock inang metamorphic kang dumadi saka loro komponen intermingled nanging pisah
Sajarah
asal
pennsylvania, kita
Alps kidul, prancis
panemu
Ora dingerteni
Jakob sederholm
Etimologi
saka anthrakites greek, saka anthrax, anthrak meaning coal
saka migma tembung yunani sing artine dicampur
kelas
rocks metamorphic
rocks metamorphic
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 coarse, rock grained nggoleki, medium rock grained, rock opaque