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五台山早元古代高压变质作用研究。Early Proterozoic high-pressure metamorphism in the Wutaishan.

铀矿物主要为沥青铀矿，形成于早元古代。Uranium mineral is pitchblende which was formed in Lower Proterozoic.

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板溪群的地层时代到底是元古宙、古生代还是三叠纪？Does the Banxi Group belong to the Proterozoic or Paleozoic or Triassic?

西北地区以元古宙-古生代金属成矿为显著特色。The Proterozoic and Palaeozoic are two main metallogenic periods in the region.

天山地区的板块活动可以追溯到中晚元古代。The plate activity in Tianshan can be traced back to Middle and Late proterozoic.

王家崴子金矿床赋存于辽南古元古代浅变质岩系中。Wangjiawaizi gold deposit occurs in Lower Proterozoic opimetamorphic rock series.

王家崴子金矿床赋存于辽南古元古代浅变质岩系中。Wangjiawaizi gold deposit occurrs in Lower Proterozoic opimetamorphic rock series.

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将这套含磷岩组称之为“吴家窑组”，其时代归属于下元古界甘陶河群。The age of this formation ought to belong to the Gantaohe group of Lower proterozoic era.

矿层赋存于早元古界辽河群里尔峪组含硼变粒岩段。The ore bed hosts in boracic granulite of Lieryu formation, Liaohe group of lower proterozoic.

目前我国已报导的风暴沉积时代可追溯到晚元古代。At present, the age of storm deposits reported in China may be traced back to late proterozoic.

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。Early Proterozoic Tongbaishan group cannot be the source rock of the granite by study in detail.

赣北地区中元古代双桥山群修水组广泛出露。The Xiushui Formation of Mid Proterozoic Shuangqiaoshan Group is widely distributed in North Jiangxi.

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本文阐述了华南中元古代晚期活动陆缘特征。This paper deals with the features of late Middle Proterozoic active continental margin in South China.

在晚元古代以前该地区至少发生过两次热动力变质作用。Before Later Proterozoic era, in this area more than two times of thermodynamic metamorphism took place.

环斑花岗岩是一种特殊结构的花岗岩类，并且多数产在元古宙克拉通中。Rapakivi granite, a special kind of granite with rapakivi texture, mostly occurs in Proterozoic cratons.

华北北部中、上元古海相地层是地球上最古老的沉积岩地区之一。Middle-Upper Proterozoic marine facies strata is one of the oldest areassedimentary rock in the northern China.

新疆西昆仑地区塔木-卡兰古铅锌矿带位于塔里木板块西南缘晚古生代碳酸盐台地环境中。The Tamu-Kalangu Pb-Zn belt is located in late proterozoic carbonate tableland, southwest margin of Tarim plate.

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此巨型成矿域以发育中、晚元古代及晚古生代成矿作用为其特点。This metallogenic province is characterized by the Mid-Late Proterozoic and the Late Paleaozoic mineralizations.

翁泉沟硼铁矿床赋存于早元古宙辽河群里尔峪组。Wengquangou boron-iron deposit occurred within the rocks of Lieryu Formation in Liaohe Group, early Proterozoic.

黔东晚元古早期地层之岩组，大部分为六十年代初期建立。In early 1960s, the Lithostratigraphic formation have been established on early Late Proterozoic in East Guizhou.