中元古代
- 网络Mesoproterozoic;mid-proterozoic;Mesoproterozoic era
-
浙西&赣东北地区中元古代晚期为华夏古陆的活动陆缘;
The western Zhejiang-northeastern Jiangxi area was the active continent margin of Cathaysia in the late Mesoproterozoic .
-
成矿时代为中元古代早期。
The mineralization epoch is the early period of mesoproterozoic Era .
-
恒山中元古代早期基性岩墙群的单颗粒锆石U-Pb年龄及其克拉通构造演化意义
Single-Zircon U-Pb Age of the Initial Mesoproterozoic Basic Dike Swarms in Hengshan Mountain and Its Implication for the Tectonic Evolution of the North China Craton
-
中元古代昆阳群Fe-Cu-REE矿床地球化学研究
Study on Geochemistry of Fe-Cu-REE Deposit in Kunyang Group in Mid-Proterozoic
-
白云鄂博碳酸岩型REE-Nb-Fe矿床&一个罕见的中元古代破火山机构成岩成矿实例
Bayan Obo Carbonatite REE-Nb-Fe Deposit : A Rare Example of Neoproterozoic Lithogeny and Metallogeny of a Damaged Volcanic Edifice
-
根据花岗岩的Nd模式年龄以及地壳岩石中继承锆石UPb年龄,认为中国东南部地壳具幕式生长特征,古&中元古代为主要的生长期。
According to the Nd model ages of granites and the U-Pb ages of inherited zircons in crustal rocks , it is concluded that the Southeast China continental crust experienced episodic growth . The Paleo-to Mid-Proterozoic era may have been its main growth time .
-
华北板块北缘发育一条中元古代晚期大陆边缘碰撞造山带,它由内蒙西部狼山起向东延伸到辽西和吉林东部一带,全长2000余km。
There is the collision orogenic belt which was developed in late middle Proterozoic era , in north margin of North China plate . The belt extends from Langshan in Inner Mongolia to Western Liaoning province and Eastern Jilin province . Its length is over 2 000 km .
-
辽宁中元古代&中生代泥质岩稀土元素地球化学
REE geochemistry of middle proterozoic - Mesozoic pelites in Liaoning Province
-
豫西中元古代汝阳群层序地层初步研究
Sequence stratigraphic study of Mesoproterozoic Ruyang group in western Henan Province
-
乐平地区中元古代海相火山岩的特征及火山活动特点
Marine volcanic rocks in Middle Proterozoic and characteristics of volcanism
-
山西垣曲中元古代枕状熔岩的研究
A Study on the Middle Proterozoic Pillow Lavas in Yuanqu , Shanxi
-
海南岛中元古代花岗岩地球化学及成因研究
Research on the geochemistry and genesis of Mesoproterozoic granites on Hainan Island
-
扬子地块东北缘中元古代的大地构造
Middle Proterozoic Geotectonics in Northeast Sector of the Yangtze Massif
-
燕山地区中元古代常州沟组潜穴化石
Burrow Fossils in the Changzhougou Formation of the Mesoproterozoic in the Yanshan Area
-
鲁西地区中元古代四堡期辉绿岩基本特征&以蒙阴野店及费县高家围子地区为例
Basic Characteristics of Diabase in Meso-proterozoic Sibao Period in West of Shandong Province
-
辽宁锦西地区中元古代-中生代砂岩构造背景的探讨
Appoach of tectonic background for mid Proterozoic Mesozoic sandstones in jinxi , Liaoning
-
闽中早&中元古代科马提岩产于拉张盆地的构造环境。岩石圈生热效应对拉张盆地地热史的影响
Influence of radioactive heat generation within lithosphere on geothermal history of extensional basin
-
滇中中元古代软沉积物变形构造及其地质意义
Mesoproterozoic Soft-sediment Deformational Structures in Central Yunnan , China and Their Geological Implications
-
河北兴隆中元古代硫化物黑烟囱金矿化的发现及其意义
Gold-Rich Mesoproterozoic Chimneys from Xinglong in Hebei and Implications for the Formation of Gold
-
江西中部地区中元古代地层
The Mid - Proterozoic stratigraphy in central Jiangxi
-
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 .
-
矿质主要来源于中元古代结晶基底矿源岩。
The materials of the deposit are derived from the source rock of middleAgnotozoic crystalline basement .
-
中元古代长城纪遗迹化石在宁夏贺兰山的发现
The Discovery of Trace Fossils from the Middle Proterozoic Changcheng System in Helan Mountain , Ningxia
-
华北板块北缘中元古代造山带的确立及其构造演化
The establishment and tectonic evolution of Proterozoic orogenic belt in the north margin of North China plate
-
豫西地区中元古代蓟县纪地层沉积特征及沉积古地理研究
A Study on the Sedimentary Character and Paleogeography of the Mesoproterozoic Jixianian Period in Western Henan Province
-
中元古代晚期褶皱回返过程中,经历了多次断裂作用和褶皱变形。
In late mid-Proterozoic , polystage fracturing and folding were happened during the process of fold belt uplifting .
-
华北中元古代硫化物黑烟囱发现的初步报道
The preliminary report on the discovery of black smoker chimney within the Mesoproterozoic sulphide deposit of North China
-
本文论述了华南中部造山带中元古代&震旦纪地层具有可比性与分区性,并提出了具体方案;
The correlation and division of Middle Proterozoic-Sinian Period stratigraphy of south China orogen are described in this paper ?
-
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 .
-
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。
From the Middle Proterozoic to Early Paleozoic , the Tarim plate and the Qangtang-Yangtze plate were most probably disintegrated .