Their basement is composed of Archean to early Proterozoic gneisses and crystalline schists metamorphosed at granulite and amphibolite facies.
它们的基底由太古代至元古代早期的粒相和闪石相变质的片麻岩和结晶片岩组成。
Their basement is composed of Archean to early Proterozoic gneisses and crystalline schists metamorphosed at granulite and amphibolite facies.
它们的基底由太古代至元古代早期的粒相和闪石相变质的片麻岩和结晶片岩组成。
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