Taconite definitions

tăk'ə-nīt'
A variety of chert containing magnetite and hematite, mined as an iron ore.
noun
8
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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.
noun
7
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A low-grade flint-like iron ore containing 20-30% iron.
noun
0
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Origin of taconite

After the Taconic (Mountains)