东昆仑造山带基底主要形成于古元古代晚期。
山西吕梁群流纹岩是一个古元古代的弱碱性火山岩。
The rhyolites in the Upper Luliang Group of Shanxi Province of China are Palaeoproterozoic A-type volcanic rocks.
古元古代二道洼岩群分布区已发现一批金矿床和金矿化点。
In Erdaowa's Group area some gold deposits and mineralization spots have been discovered.
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;
古元古代地层缺乏种类繁多的标准化石，这使大区域性的、全球性的地层对比难以实现。
Palaeoproterozoic formation lacks variety of standard fossils, thus it become difficult to compare the whole world formations or large .
表明它们具有明显的亲缘关系，可能来源于具有古元古代晚期地壳形成年龄的同一变质基底。
This implies that they have close affinity, and probably are derived from same metamorphic basement with a crust formation age of late Paleoproterozoic.
辽东地区古元古代大石桥组中分布有富镁质碳酸盐岩建造，并产有大型或超大型菱镁矿、滑石矿床。
A lot of large to giant magnesite and talc deposits located in Mg-rich carbonate formations distributed in the Paleoproterozoic Dashiqiao Formation in eastern Liaoning Province, China.
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。
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.
小佟家堡子金矿床位于辽东金矿集中区，为产于古元古代变质岩系中的微细粒浸染型金矿，矿床类型独特。
Located in gold concentration area of eastern Liaoning Province, the Xiaotongjapuzi gold deposit is hosted by fine-grained leptite and marble of Paleoproterozoic metamorphosed sequence.
河南中部登封地区早前寒武纪基底主要由新太古代登封群、古元古代嵩山群和早前寒武纪花岗质岩石组成。
Early Precambrian basement in the Dengfeng area, central Henan Province, is mainly composed of the Neoarchaean Dengfeng Group, Palaeoproterozoic Songshan Group and Neoarchaean granitoids.
杉松岗钴（铜镍）矿床产于古元古代裂谷海槽褶皱地带，是国内新近发现的新类型矿床。它赋存于老岭群富硼、碳粘土岩夹硅质岩建造之中。
Shasonggang Co(Cu, Ni) deposit occurs in Laoling Group, rich boron, carbon clay rock with siliceous rock formation, Paleoproterozoic rift trough folded belt, which is the domestic a new type deposit.
地球动力学分析表明，古中元古代时，海南岛西部可能经历了一次由“开”向“合”转变的构造演化史。
Geodynamic analysis shows that the tectonic evolution history from "spreading" state into "closing" state might have happened in Paleo Mesoproterozoic age on western Hainan.
本组为评估中元古代生命状况、古环境和前显生宙生物地层提供了重要的生物信息。
This Formation provides important paleobiological information from which to assess status of Mesoproterozoic life, and to evaluate paleoenvironmental conditions and pre_Phanerozoic biostratigraphy.
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 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.
提出了建立自晚元古代以来各地史时期高精度古温度变化序列的方法。
Nevertheless, the author consider that the paleotemperature sequence is of low precision, and hence put forward a method for reconstructing a high accuracy paleotemperature sequence from…
提出了建立自晚元古代以来各地史时期高精度古温度变化序列的方法。
Nevertheless, the author consider that the paleotemperature sequence is of low precision, and hence put forward a method for reconstructing a high accuracy paleotemperature sequence from…
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