1、 The alkali content in the composition of magmatic rock was more, iron content was less.
岩浆岩成分中碱质含量较高, 铁质含量较低.
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2、 Magmatic contact metamorphism can lead to the variations of distribution patter of REEs in coal.
岩浆接触变质作用可导致煤中稀土元素分布模式的变化.
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