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 Proterozoic metamorphic crystalline basement and the late stable platform covers are exposed in the Yili-central Tisnshan region.
伊犁中天山区出露早元古代变质结晶基底及晚期地台型稳定盖层。
One of the important features of the Early Proterozoic Liaojitite Suite in Liao-dong Peninsula is the widespread nappe tectonics, one of which is the Qingchengzi nappe.
广泛发育的推覆构造是辽东早元古宙辽吉岩套的重要特征之一。
Wengquangou boron-iron deposit occurred within the rocks of Lieryu Formation in Liaohe Group, early Proterozoic.
翁泉沟硼铁矿床赋存于早元古宙辽河群里尔峪组。
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 rock masses of HengLingguan, Beiyu, Yongji, Yiemiaotan, Taiyu and Yianzhuan are early proterozoic granide rock masses which are located in the paleo rift of Zhongtiao Mountain.
本文介绍的横岭关、北峪、永济、野庙滩、太峪和烟庄岩体是中条山古裂谷中的早元古代花岗岩类岩体。
The lower Proterozoic Badu Group is one of the oldest metamorphic rock series in the continental margin of Southeast China, and is an integral part of the early Precambrian Zhejiang-Fujian craton.
下元古界八都群是中国东南大陆边缘最古老的变质岩系之一，为早前寒武纪浙闽克拉通的主要组成部分。
The Precambrian intrusive rocks in western Shandong area mainly fall into two parts: the Taishanian (Archean) and the Aolaishanian (early Proterozoic) intrusive rocks.
鲁西地区的前寒武纪侵入岩分为太古代泰山期和早元古代傲徕山期二部分。
The Xingdong Group distributed in the northern Xiao Hinggan Mountains and the Mashan Group in the Jiamusi area, Northeast China, are always considered to be Early Proterozoic metamorphic rocks.
中国东北地区小兴安岭北段分布的兴东群与佳木斯地区的麻山群一直被认为是早元古代形成的变质岩系。
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 Siberian Platform is the model for studies of a history of development of calcareous algae that appeared in abundance at the transition from the Late Proterozoic to the Early Cambrian.
西伯利亚地台的新元古代到早寒武世间的钙藻化石特别丰富，为研究钙藻化石的发育历史提供了模式。
Early Proterozoic high-pressure metamorphism in the Wutaishan.
五台山早元古代高压变质作用研究。
Early Proterozoic Tongbaishan group cannot be the source rock of the granite by study in detail.
详细的研究表明了早元古界桐柏山群不能成为老湾花岗岩的源岩。
In the end, the relation between the metallogenesis and the evolution of Archaeozoic and Early Proterozoic earth crust is discussed basing upon the theory of rift.
最后采用裂谷理论讨论了成矿作用与太古代和早元古代地壳演化的关系。
This type of graphite deposits were formend in the Late Archaean to Early Proterozoic.
鲁西晚太古代的侵入岩属无铕异常型，早元古代的侵入岩为负铕异常型；
No precise datum related to magmatism of Early Proterozoic or earlier ages is found, which might reveal the lack of old continent crust in this area.
研究表明，本区古元古代及更早时期的岩浆活动确切记录很少，反映出赣东北地区可能没有古老的陆壳。
From the Middle Proterozoic to Early Paleozoic, the Tarim plate and the Qangtang-Yangtze plate were most probably disintegrated.
中元古代至早古生代塔里木板块与羌塘-扬子板块发生解体。
This type deposit is formed in the formation of B-rich and C-rich phyllite with quartzite (siliceous rocks) as intercalated beds, which belongs to early Proterozoic Laoling group;
该类矿床产于古元古代老岭群富硼、碳千枚岩夹石英岩（硅质岩）建造之中；
This type deposit is formed in the formation of B-rich and C-rich phyllite with quartzite (siliceous rocks) as intercalated beds, which belongs to early Proterozoic Laoling group;
该类矿床产于古元古代老岭群富硼、碳千枚岩夹石英岩（硅质岩）建造之中；
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