from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A variety of chert containing magnetite and hematite, mined as an iron ore.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. a low-grade flint-like iron ore containing 20-30% iron

from The Century Dictionary and Cyclopedia

  • n. 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 the Masaba Range, Minnesota.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a variety of chert containing magnetite and hematite; mined as a low-grade iron ore


from The American Heritage® Dictionary of the English Language, 4th Edition


  • All that land is filled with taconite, which is the stuff they turn into iron.

    Heaven’s Fury

  • Jaros said 2,500 pounds of iron ore pellets, also known as taconite, would be extracted from the ship at one time and deposited in an onshore scale.

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  • Bar tops in the fireplace-warmed "Bulldog Lounge" are made from local taconite rock, flecked with red iron ore; walls are inlaid with Minnesota stone and the decorative panels are made of wood salvaged from old grain elevators.

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  • And iron is in a lot of what we use in the world, so taconite equals money.

    Heaven’s Fury

  • He hates Lew Prescott from a long time ago, and he hates the thought of his backyard turning into a taconite dynamite range, so he hired you to stop it by scaring people away from buying the land.

    Heaven’s Fury

  • Steinbach told me how most high-grade iron ore had been mined out of the United States by shortly after World War II, so the world turned to taconite as an alternative.

    Heaven’s Fury

  • When I stood up to leave, Steinbach seemed disappointed that all I wanted to do was find out about taconite.

    Heaven’s Fury

  • In ten minutes I learned a lot more about taconite than I really wanted to know, but I appreciated the cost of the education so I listened patiently.

    Heaven’s Fury

  • Because it might scare off the two mining companies you have bidding for all that taconite.

    Heaven’s Fury

  • Apparently, taconite is a Precambrian sedimentary rock—whatever that means—which is usually made up of about 25 to 30 percent iron ore.

    Heaven’s Fury


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