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- The early precambrian geology of Wu Taishan II. 五台山早前寒武纪地质2。
- The major geological events of early precambrian and their dating in Wutaishan II. 五台山早前寒武纪重大地质事件及其年代2。
- U-Pb geochronological evidence for the early Precambrian complex of the Tarim Craton, NW China. 塔里木克拉通早前寒武纪基底层序与组合:颗粒锆石U-Pb年龄新证据
- Some examples of paleomagp.etic studies of early Precambrian rocks abroad are cited. 并列举部分国外前寒武纪早期岩石的例证;
- The variation of type of gold deposits in Wutai area shows complexities of ore forming process in Early Precambrian period. 本区早前寒武纪多类型金矿床的形成 ,表明了五台地区早前寒武纪金矿成矿作用的复杂性和矿床成因的多样性 ,也为认识我国早前寒武纪金矿成矿作用特点创造了极为有利的条件。
- The paper presents the distribution and geologic characteristic of early Precambrian migmatitic granite and granite in Liaoning province. 研究了早前寒武纪辽宁省混合花岗岩和花岗岩的分布及岩石特征。
- Early Precambrian metamorphic complex and also high - grade metamorphic strata are well - developed in Daqingshan area in the northern margin of North China craton. 内蒙古大青山地区是华北克拉通北缘早前寒武纪变质杂岩发育地区,也是高级变质地层发育地区。
- Li Jianhai.The supercontinetal cycles and Early Precambrian plate tectonics[J].Earth Science Frontier,1998,5 (Supp.):141-151 (in Chinese with English abstract). [15]李江海.;超大陆旋回及早前寒武纪板块构造演化[J]
- The Early Precambrian rocks are the important constituent of old metamorphic terrains in Liaoning province, mainly in metamorphic facies higher than greenschist and locally reaching granulite facies. 摘要早前寒武纪变质岩系是辽宁地区古老变质岩系的重要组成部分,变质程度高于绿片岩相,局部可达麻粒岩相。
- Moreover, inherited zircon ages (581~2492 Ma) in this pluton provide evidence for the exiting of an early Precambrian crystalline basement and multistage evolution of crust in this region. 此外,获得多组继承/捕虏锆石年龄值(581~2492Ma),为本区存在早前寒武纪变质结晶基底及华南陆壳具多阶段生长演化特征提供了佐证。
- Proceeded from the relation of an orebody to the dyke come in contact with and from geologicalcharacteristics of Early Precambrian hydrothermal deposits,a discremination of postore dykes in suchtype deposits was made and practical examples were given. 从矿体与岩脉的接触关系,和早前寒武纪热液矿床地质基本特点出发,举出鉴别早前寒武纪热液矿床成矿后岩脉的一系列实例。
- The lower Proterozoic Badu Group is one of the oldest metamorphic rock series in the continental margin of Southeast China,and is an integral part of the early Precambrian Zhejiang-Fujian craton. 下元古界八都群是中国东南大陆边缘最古老的变质岩系之一,为早前寒武纪浙闽克拉通的主要组成部分。
- The Early Precambrian basement in Eastern Heilongjiang Province is characterized by complicated structures, frequent magmatism, intense deformation and metamorphism, and special metallogenesis. 摘要黑龙江省东部早前寒武纪基底具有构造复杂、岩浆活动频繁、变形变质强烈、成矿活动特殊等特点。
- We started early in order to arrive before dark. 为了在天黑前到达,我们很早就动身了。
- PROBLEM ON THE EARLY PRECAMBRIAN CRATONS 早前寒武纪克拉通问题
- early Precambrian metamorphic rocks 早前寒武纪变质岩系
- He come to the fore as a physicist at an early age. 他在早年就成了杰出的物理学家。
- I finished work unexpectedly early. 我的工作意外地提早做完。
- We will get up early and do some housework. 我们将早起并且做点家务。
- Forgive me so early to call up you please. 请原谅我这么早给你打电话。