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