Definitions for taconiteˈtæk əˌnaɪt
This page provides all possible meanings and translations of the word taconite
Random House Webster's College Dictionary
an iron-bearing chert mined as low-grade iron ore in the Mesabi Range.
Origin of taconite:
1890–95, Amer.; after the Taconic Range in New York and Massachusetts; see -ite1
a variety of chert containing magnetite and hematite; mined as a low-grade iron ore
a low-grade flint-like iron ore containing 20-30% iron
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Taconite is a variety of iron formation, an iron-bearing sedimentary rock, in which the iron minerals are interlayered with quartz, chert, or carbonate. Newton Horace Winchell, the Minnesota State Geologist, coined the term during his pioneering investigations of the Precambrian Biwabik Iron Formation of northeastern Minnesota. He noted the rock had a superficial resemblance to iron-bearing rocks from the Taconic Mountains of New York. The iron content of taconite, commonly present as finely dispersed magnetite, is generally 25 to 30%.
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