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taconite
[ tak-uh-nahyt ]
noun
- a low-grade iron ore, containing about 27 percent iron and 51 percent silica, found as a hard rock formation in the Lake Superior region.
taconite
/ ˈtækəˌnaɪt /
noun
- a fine-grained sedimentary rock containing magnetite, haematite, and silica, which occurs in the Lake Superior region: a low-grade iron ore
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Word History and Origins
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Word History and Origins
Origin of taconite1
C20: named after the Taconic Mountains in New England
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Example Sentences
It is estimated that taconite will be supplying about a third of our ores in less than 20 years.
From Project Gutenberg
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