definisi
taconite punika biji wesi kurang-bahan kang belongs kanggo sedimen rock lan ngemot bab 27% wesi lan 51% silika
diabase punika rock igneous nggoleki-grained kang dumadi saka biasane pyroxene lan Feldspar
Sajarah
asal
western australia, Minnesota
germany
panemu
Newton Horace Winchell
christian Leopold von Buch
Etimologi
saka jeneng gunung taconic ing england anyar
saka di greek + basa
kelas
rocks sedimentary
batuan beku
sub-kelas
awet rock, medium atose rock
awet rock, hard rock
kulawarga
group
-
vulkanik
kategori liyane
rock grained coarse, rock opaque
rock grained nggoleki, medium rock grained, rock opaque