definisi
taconite punika biji wesi kurang-bahan kang belongs kanggo sedimen rock lan ngemot bab 27% wesi lan 51% silika
norite punika mafic intrusive igneous rock dumadi umumé saka calcium-sugih plagioclase labradorite, orthopyroxene, lan olivine
asal
western australia, Minnesota
norway
panemu
Newton Horace Winchell
Ora dingerteni
Etimologi
saka jeneng gunung taconic ing england anyar
saka jeneng norwegian kanggo norway, Norge
kelas
rocks sedimentary
batuan beku
sub-kelas
awet rock, medium atose rock
awet rock, hard rock
kategori liyane
rock grained coarse, rock opaque
rock grained coarse, rock opaque