definisi
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
teschenite punika coarse- kanggo nggoleki-grained, peteng-colored rock intrusive igneous sing biasane ana ing sills, dikes lan masal ora duwe aturan baku lan tansah ngrubah kanggo sawetara ombone
Sajarah
asal
pennsylvania, kita
Scotland
panemu
Ora dingerteni
Ora dingerteni
Etimologi
saka anthrakites greek, saka anthrax, anthrak meaning coal
saka kedadeyan sawijining near teschen. saiki dikenal minangka cieszyn, POL., Scotland
kelas
rocks metamorphic
batuan beku
sub-kelas
awet rock, rock alus
awet rock, hard rock
kulawarga
group
-
plutonic
kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock grained coarse, rock opaque