definisi
Minette iku macem-macem lamprophyre lan porphyritic rock igneous alkalin kang utamané didominasi dening biotite lan Feldspar potassic
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
asal
-
pennsylvania, kita
panemu
Ora dingerteni
Ora dingerteni
Etimologi
saka french ore mine, mine + ette
saka anthrakites greek, saka anthrax, anthrak meaning coal
kelas
batuan beku
rocks metamorphic
sub-kelas
awet rock, medium atose rock
awet rock, rock alus
kategori liyane
rock grained coarse, rock grained nggoleki, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque