The early Precambrian in Jilin province includes the Archaeozoic granite-greenstone belt, early Proterozoic Ji'an Group and mid Proterozoic Laoling Group .
吉林省早前寒武纪地质包括太古宙花岗—绿岩带、早元古代集安群和中元古代老岭群。
The early Proterozoic atmosphere and hydrosphere are similar to those of Archaeozoic in being still absent in oxygen.
早元古代的大气圈、水圈与晚太古代相似，仍为缺氧性质。
The early Precambrian in Jilin province includes the Archaeozoic granite-greenstone belt, early Proterozoic Ji 'an Group and mid Proterozoic Laoling Group.
吉林省早前寒武纪地质包括太古宙花岗—绿岩带、早元古代集安群和中元古代老岭群。
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