Gritstone lan Taconite Definition
definisi
gritstone utawa grit punika hard, coarse-grained, siliceous sandstone
taconite punika biji wesi kurang-bahan kang belongs kanggo sedimen rock lan ngemot bab 27% wesi lan 51% silika
asal
pennines, england
western australia, Minnesota
panemu
JJ Ferber
Newton Horace Winchell
Etimologi
saka grit + watu
saka jeneng gunung taconic ing england anyar
kelas
rocks sedimentary
rocks sedimentary
sub-kelas
awet rock, hard rock
awet rock, medium atose rock
group
ora ditrapake
ora ditrapake
kategori liyane
rock grained coarse, rock opaque
rock grained coarse, rock opaque