ALL meanings of taconite
tac·o·nite
T t - noun taconite a low-grade iron ore, containing about 27 percent iron and 51 percent silica, found as a hard rock formation in the Lake Superior region. 1
- noun taconite a fine-grained sedimentary rock containing magnetite, haematite, and silica, which occurs in the Lake Superior region: a low-grade iron ore 0
- noun taconite an iron-bearing chert containing from 25 to 35 percent hematite and magnetite: it is a low-grade iron ore that is pelletized for blast-furnace reduction 0