taconite definition

  • noun:
    • multiple chert containing magnetite and hematite, mined as an iron ore.
    • a low-grade flint-like iron ore containing 20-30percent metal
    • In petrography, a name proposed by H. V. Winchell (1896) for cherty or jaspery rock, in places calcareous or quartzitic, associated with the hematites of this Masaba number, Minnesota.
    • a variety of chert containing magnetite and hematite; mined as a low-grade iron-ore

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  • Definition for "taconite"
    • multiple chert containing magnetite and hematite, mined as…
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  • Sentence for "taconite"
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