definisi
taconite punika biji wesi kurang-bahan kang belongs kanggo sedimen rock lan ngemot bab 27% wesi lan 51% silika
kenyte iku macem-macem phonolite porphyritic utawa trachyte rock karo phenocrysts rhomb shaped anorthoclase karo rupo olivine lan augite ing matrik glassy
asal
western australia, Minnesota
gunung kenya
panemu
Newton Horace Winchell
JW Gregory
Etimologi
saka jeneng gunung taconic ing england anyar
saka gunung ranges- Gunung kenya lan dijenengi dening JW Gregory in 1900
kelas
rocks sedimentary
batuan beku
sub-kelas
awet rock, medium atose rock
awet rock, medium atose rock
kategori liyane
rock grained coarse, rock opaque
rock grained nggoleki, rock opaque