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“岩石和矿床都是矿物的集合体,只有极少数的例外(譬如全部由玻璃组成的岩石)”.在某种意义上说,矿石即有用的岩石,铁矿也可称为铁质岩.矿床学和岩石
“Rocks and deposits are all aggregates of minerals, with very few exceptions (such as those made entirely of glass).” In a sense, ore is a useful rock and iron ore can also be called iron Rocks. Deposits and rocks