definisi
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
taconite punika biji wesi kurang-bahan kang belongs kanggo sedimen rock lan ngemot bab 27% wesi lan 51% silika
Sajarah
asal
pennsylvania, kita
western australia, Minnesota
panemu
Ora dingerteni
Newton Horace Winchell
Etimologi
saka anthrakites greek, saka anthrax, anthrak meaning coal
saka jeneng gunung taconic ing england anyar
kelas
rocks metamorphic
rocks sedimentary
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 coarse, rock opaque