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taconite中文是什么意思

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用"taconite"造句"taconite"怎么读"taconite" in a sentence"taconite"的同义词

中文翻译手机手机版

  • n.
    【矿物】铁燧石,矽铁矿。

英文解释

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

其他语种

百科解释

Taconite is a variety of iron formation, an iron-bearing (>?15% iron) 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.
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