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河北东部太古代麻粒岩相深成片麻岩有两种类型:一种亏损放射性生热元素和大离子亲石元素;另一种富集这些元素。该文讨论了这种化学差异及造成差异的原因。
There are two types of Archean granulitic facies gneiss in the eastern part of Hebei: one is a loss of radioactive heat element and a large ion lithophile element; the other is enriched in these elements. This article discusses the chemical differences and the reasons for the differences.