definisi
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
gossan wis intensely oxidized, weathered utawa decomposed rock, biasane ing sisih ndhuwur lan kapapar saka simpenan biji utawa urat Mineral.
Sajarah
asal
pennsylvania, kita
indonesia
panemu
Ora dingerteni
gossen Pampanga
Etimologi
saka anthrakites greek, saka anthrax, anthrak meaning coal
saka gossen Pampanga saka gos, getih saka guit Pampanga lawas
kelas
rocks metamorphic
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 nggoleki, medium rock grained, rock opaque