definisi
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
phonolite iku sawijining extrusive igneous rock rock vulkanik umum saka komposisi kimia antarané felsic lan mafic
Sajarah
asal
pennsylvania, kita
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panemu
Ora dingerteni
Ora dingerteni
Etimologi
saka anthrakites greek, saka anthrax, anthrak meaning coal
saka makna greek mungel watu amarga saka metallic swara mrodhuksi yen plate unfractured wis mejet
kelas
rocks metamorphic
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