Definition of "quartzites" []

• Plural form of quartzite. (noun)

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• "More of the material is commonly rearranged by solution and redeposition, so that limestone may be converted into crystalline marble, granular sandstones into firm masses, known as quartzites, and clays into the harder form of slate."
• "All the rocks are of Pliocene or Pleistocene, fluviatile origin, and consist mainly of sandstones, conglomerates, quartzites, shales and micaceous sandstone."
• "The Mahabharat Range consists of severely eroded pre-Siwalik quartzites, phyllites and sandstones."