definisi
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
banget nggoleki rock fault grained kang dumadi saka matrik glassy sing asring ngandhut inclusions pecahan wall-rock.
Sajarah
asal
pennsylvania, kita
usa
panemu
Ora dingerteni
Ora dingerteni
Etimologi
saka anthrakites greek, saka anthrax, anthrak meaning coal
saka pseudo- + tachylite, a rock glassy déning panas frictional ing bentet.
kelas
rocks metamorphic
rocks metamorphic
sub-kelas
awet rock, rock alus
awet rock, hard rock
kulawarga
group
-
-
kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock grained nggoleki, rock opaque