五台山早元古代高压变质作用研究。
Early Proterozoic high-pressure metamorphism in the Wutaishan.
成矿时代为中元古代早期。
The mineralization epoch is the early period of mesoproterozoic era.
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.
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.
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.
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.
扬子地块西缘新元古代岩浆活动非常强烈，花岗岩广布。
Neoproterozoic magmatic rocks, especially granitic intrusions, are widespread in the western margin of the Yangtze craton.
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 atmosphere and hydrosphere are similar to those of Archaeozoic in being still absent in oxygen.
现有资料支持华夏和扬子两地块在晚元古代碰撞拼合的解释。
The data offered here favor that the collision between the Yangtze and Cathysia blocks happened in the late Proterozoic era.
胶南地区的变质杂岩主要由中、晚元古代的变质深成岩组成。
The metamorphic complexes in the Jiaonan area are mainly Meso-proterozoic and Neo -proterozoic metamorphosed intrusive rocks.
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.
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。
The early Proterozoic metamorphic crystalline basement and the late stable platform covers are exposed in the Yili-central Tisnshan region.
赣南-粤西地区的地壳自早元古代晚期开始形成，地壳成熟度较低。
The crust in South Jiangxi-West Guangdong began to form in the late lower Proterozoic Subera, and the crust mature degree is lower.
哈马迪金矿床位于苏丹北部阿拉伯-努比亚地盾新元古代绿岩带内。
Hamadi gold deposit is located in the Neoproterozoic greenstone belt of the Arabian-Nubian Shield in North Sudan.
形成于中晚元古代的彭灌杂岩体构造侵位于映秀断裂和茂汶断裂之间。
Pengguan complex formed in Meso-and Neoproterozoic was at tectonic emplacement between the Yinxiu fault and the Maowen fault.
地球的历史可分为四个时期——依次经历冥古代、太古代、元古代和显生宙。
The history of Earth is divided into four eons - starting with the earliest, these are the Hadean, Archean, Proterozoic, and Phanerozoic.
地球的历史可分为四个时期——依次经历冥古代、太古代、元古代和显生宙。
The history of Earth is divided into four eons —starting with the earliest, these are the Hadean, Archean, Proterozoic, and Phanerozoic.
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 Precambrian intrusive rocks in western Shandong area mainly fall into two parts: the Taishanian (Archean) and the Aolaishanian (early Proterozoic) intrusive rocks.
形成于中——晚元古代的彭灌杂岩体构造侵位于映秀断裂和茂汶断裂之间。
Pengguan complex formed in Meso-and Neoproterozoic was in tectonic emplacement between the Yinxiu fault and the Maowen fault.
中元古代末的神功运动表现强烈，青白口纪末的晋宁运动叠加褶皱明显。
The Shengong Movement in late Middle Proterozoic Era was strong and the superimposed fold of Junning Movement in late Qingbaikou Period was clear.
这一构造-岩浆作用暗示着松嫩地块北缘在新元古代板块构造体制就开始运行。
The tectonic magmatism suggests that the plate tectonics had operated in the north margin of Songnen Massif in the Neoproterozoic.
其外来系统主要由泥盆系、二叠系、三叠系及元古代岩体组成，构成飞来峰群。
The Allochthon consists mainly of Devonian, Permian, Triassic and Protero-zoic rocks which constitutes a klippe group.
中元古代与新元古代两个不同方向的地震断裂带分别控制着两个时期的盆地边界。
Two seismic fault belts with different directions in Mesoproterozoic and Neoprotertozoic control the basin boundaries of the two stages respectively.
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.
形成晶体的碳质来源不均一，反映了中元古代华北陆台下地壳岩浆成分的不均一性。
Heterogenity of the carbon source implies the magma beneath the North China platform was not homogeneous at Late Mesoproterozoic.
东大山地区龙首山岩群形成于早元古代，是一套经角闪岩相变质改造的变质地质体。
The Longshoushan Group of Paleoproterozoic age in the Dongdashan district is a metamorphic terrane composed of metamorphic rocks of amphibolite facies.
东大山地区龙首山岩群形成于早元古代，是一套经角闪岩相变质改造的变质地质体。
The Longshoushan Group of Paleoproterozoic age in the Dongdashan district is a metamorphic terrane composed of metamorphic rocks of amphibolite facies.
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