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.
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.
在新元古代晚期地球上曾发生过全球性的冰川作用，一些学者称之为“雪球”事件。
Global glaciations took place in the earth in Neoproterozoic, which are called the "Snowball earth" event by some scholars.
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.
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.
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.
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 .
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.
新元古代和古生代盆地具有一系列相同的地质特征。
The Neoproterozoic to Paleozoic basins share a number of common geological features.
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.
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.
通化地区早元古代变质杂岩可划分为集安岩群和老岭岩群。
The metamorphic complex in study area can be divided into ji an rock group and Laoling rock group.
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.
上述资料表明本区的麻粒岩是形成于晚元古代前后的中下地壳产物。
The data mentioned above lead to suggest that the granulites are the representatives of middle to lower crust formed round about late Proterozoic era.
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.
息烽磷矿是黔中元古代震旦纪陡山沱期磷块岩矿床的重要组成部分。
The phosphorus reserves in Xifeng are a main composition of phosphorus rock deposit formed during the Sinian Period in the center of Guizhou.
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.
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.
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.
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