definisi
taconite punika biji wesi kurang-bahan kang belongs kanggo sedimen rock lan ngemot bab 27% wesi lan 51% silika
shoshonite punika rock basaltic, mlaku a trachyandesite potassic, dumadi saka olivine, augite lan plagioclase phenocrysts ing groundmass karo plagioclase calcic lan sanidine lan sawetara kaca vulkanik peteng-colored
asal
western australia, Minnesota
wyoming, usa
panemu
Newton Horace Winchell
iddings
Etimologi
saka jeneng gunung taconic ing england anyar
saka panggonan asal disebut shoshone riverin wyoming
kelas
rocks sedimentary
batuan beku
sub-kelas
awet rock, medium atose rock
awet rock, medium atose rock
group
ora ditrapake
vulkanik
kategori liyane
rock grained coarse, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque