taconite

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tac·o·nite

 (tăk′ə-nīt′)
n.
A variety of chert containing magnetite and hematite, mined as an iron ore.

[After the Taconic (Mountains).]

taconite

(ˈtækəˌnaɪt)
n
(Geological Science) a fine-grained sedimentary rock containing magnetite, haematite, and silica, which occurs in the Lake Superior region: a low-grade iron ore
[C20: named after the Taconic Mountains in New England]

tac•o•nite

(ˈtæk əˌnaɪt)

n.
an iron-bearing chert mined as low-grade iron ore in the Mesabi Range.
[1890–95, Amer.; after the Taconic Range in New York and Massachusetts; see -ite1]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.taconite - a variety of chert containing magnetite and hematite; mined as a low-grade iron ore
chert - variety of silica containing microcrystalline quartz
iron ore - an ore from which iron can be extracted
References in periodicals archive ?
a Quebec-based geophysical consulting firm carried out a series of ground magnetometer and gravity surveys over several main targets including the Gagnon and Elizabeth taconites and over the James, the Houston, the Malcolm-1 and the Howse direct shipping (DSO) iron ore deposits.
LIM is also on track to complete new and initial mineral resource estimates on the Malcolm deposit (nearby Houston), the historic crushed ore stockpiles in both Quebec and Labrador and its first inferred mineral resource estimate on the Elizabeth Lake Taconite.
An initial mineral resource estimation will also be provided on the Elizabeth Lake Taconite.