The Archaean and Katarchaean units are preserved mainly as relic masses.
太古界與遠(yuǎn)太古界主要作為殘余體保存下來.
辭典例句
This type of graphite deposits were formend in the Late Archaean to Early Proterozoic.
該類礦床的成礦時代多集中在晚太古代末至早元古代初期,并且具有全球性.
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Archaean era granulite facies metamorphite series are extensively outcropped in Sa - heqiao, Hebei province.
冀東遷西灑河橋是太古代麻粒巖相變質(zhì)巖系廣泛出露的地區(qū).
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But simulation rock composition of the Archaean can form granite if partial melting grade is high.
模擬的太古代巖系巖石化學(xué)成分經(jīng)高程度的部分熔融作用可以形成老灣花崗巖.
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The results indicate that the composition of post _ Archaean sedimentary rocks of NCC is not uniform.
結(jié)果表明,華北克拉通后太古宙沉積巖組成并不均一.
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