definisi
taconite punika biji wesi kurang-bahan kang belongs kanggo sedimen rock lan ngemot bab 27% wesi lan 51% silika
tephrite iku sawijining aphanitic kanggo porphyritic tekstur, vulkanik rock igneous
Sajarah
asal
western australia, Minnesota
germany
panemu
Newton Horace Winchell
van tooren
Etimologi
saka jeneng gunung taconic ing england anyar
saka tephra greek, awu saka basa indo-european, kanggo ngobong
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 coarse, rock grained nggoleki, medium rock grained, rock opaque