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- The metallogenic epoch of celestite deposits in the northwestern Qaidam Basin is the latest continental thermal water sedimental stratabound celestite deposits in the world. 柴达木盆地西北部锶矿床是已知的世界上成矿时代最年轻的大陆热水沉积层控型锶矿床。
- In gold deposit,the gold fineness is related with lots of factors such as the genesis,metallogenic epoch,depth of ore deposit and property of metallogenic fluids etc. 金矿床中金的成色与矿床的成因、成矿时代、成矿深度、成矿流体的性质等多种因素有关。
- Based on systematic summarization of geological characteristics of the Tianlu copper deposit, this paper has analyzed its metallogenic epoch and genesis, and built up a metallogenic model. 摘要文章在系统总结天鹿铜矿床地质特征的基础上,分析了成矿时代和矿床成因,并建立了成矿模式。
- Theregional distribution of metallogenic epoch shows regular variation, the epoch of Precambrian golddeposits gradually increases from west to east of China, while that of Phanerozoic gold depositsgradually decreases. 区域分布上,前寒武纪形成的金矿床成矿年代为“西低东高”,而显生宙金矿为“西高东低”。
- The results show that the ore-bearing strata occur in variegated strata of Middle Silurian Quannaogoushan Formation, that the metallogenic materials might have been derived from the land area, and the metallogenic epoch is middle Silurian. 结果表明,天鹿铜矿床赋存于中志留统泉脑沟山组杂色岩层中,其成矿物质来自陆源,主成矿期为中志留世,属沉积砂岩型铜矿床。
- Based on detailed field observations, the authors, using K-Ar and ~(40)Ar/~(39)Ar methods, made a study on metallogenic epoch of the Dongping gold deposit, the first large-sized gold deposit ever discovered in alkaline rocks of China. 东坪金矿是我国在碱性岩中发现的第一个大型金矿,本文在详细野外观察的基础上,用K-Ar法、~(40)Ar/~(39)Ar法测定了成矿期花岗细晶岩脉、主成矿期矿石的同位素年龄,确定东坪金矿成矿时代为燕山期。
- Among them the Precambrian and Cenozoic eras are the main metallogenic epoches in the world. 就全球而言,前寒武纪和新生代是金矿的重要成矿期。
- The deposit can be divided into three metallogenic epoches and four metallizing phases by studying the characteristics of the ore texture and ore structure under a microscope. 通过显微镜下矿石结构构造等特征的研究,将矿床划分为三个成矿期四个成矿阶段,铂族矿物均形成于基性、超基性岩浆活动期。
- Keywords Explosive breccia type;Dianfang gold deposit;Metallogenic epoch; 元古宙爆破角砾岩型;店坊金矿;成矿时代;
- STUDY ON THE METALLOGENIC EPOCH OF THE JINDING LEAD-ZINC DEPOSIT WITH APATITE FISSION TRACK ANALYSIS 利用磷灰石裂变径迹法研究金顶铅锌矿成矿时代
- Metallogenic epoch and tectonic implications of Danba pegmatite type muscovite deposit in Sichuan Province, China 四川丹巴伟晶岩型白云母矿床的成矿时代及构造意义
- Study on the Genesis of Kanggur Gold Deposit Based on the Discordance of the Metallogenic Epoch and Deformation Time 从成矿和变形时代的不耦合现象探讨康古尔金矿的成因
- Einstein's theory marked a new epoch in physics. 爱因斯坦理论开创了物理学的新纪元。
- The past epoch is gone, never to return. 过去的时代已经一去不复返了。
- Einstein's theory marked a new epoch in history. 爱因斯坦的理论标志著历史上一个新时代的开始。
- The curtain was rung up on a new epoch in our history. 我国历史上一个新纪元的序幕揭开了。
- Einstein's theory marked a new epoch in mathematics. 爱因斯坦理论开创了数学的新纪元。
- The teaching method marked a now epoch in education. 这种教学方法标志着教育的新时代。
- metallogenic epoch 成矿时代
- His audience with the president was an epoch in his life. 他谒见总统是他一生中值得纪念的一件事。