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來自quartz +‎ -ite

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quartzite (可數 不可數,複數 quartzites)

  1. (礦物學) 石英岩
    • 1869, James Hall, “Notes upon the Geology of Some Portions of Minnesota, from St. Paul to the Western Part of the State”, 出自 Transactions of the American Philosophical Society, 第 XIII 卷,331:
      Following the course of the river from New Ulm to Fort Ridgely, there are several exposures of reddish-brown “granite” or quartzites, which has been quarried in a few places, but I do not feel entirely sure of its connection with the rocks in the prairie or at the Ferry below.
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    • 1870年11月, Professor Ansted, “The Passage of the Mont Cenis”, 出自 Sylvanus Urban (pseudonym of Edward Cave) 編, The Gentleman's Magazine, 第 229 卷,656:
      The stone experimented upon being of the hardest and toughest kind the effect is not seen for several strokes ; but within two minutes, during which the writer watched the experiment, a steel chisel was completely blunted and rendered useless, and there was a hole made about two inches deep in the mass of quartzite placed to operate upon.
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    • 1883, T. G. Bonney, “On a Collection of Rock Specimens from the Island of Socotra”, 出自 Philosophical Transactions of the Royal Society, 第 174 卷,273:
      Granites of the usual type, compact reddish or greyish quartz-felsite or rhyolite alternate one with another. A mica-trap is also found. Evidently this is an extension of the last group of rocks. A specimen of epidotic quartzite proves that there are, at any rate, some indications of the metamorphic series.
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quartzite m (不可數)

  1. 石英岩

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