查询词典 metasomatic

In alkali metasomatic rocks, potassium is in reverse correlation with gold; and sodium is in reverse correlation with uranium, it is very important to ore-formation of uranium and gold.

研究中还认识到，在碱交代作用形成的碱交代岩中，钾与金负相关，钠与铀负相关，这对铀、金成矿有着重要的意义。

Contact metasomatic copper deposit ; grade model ; tonnage model ; joint model of tonnage and grade ; China

接触交代型铜矿床；品位模型；吨位模型；品位—吨位联合模型；中国

REE distribution patterns and isotopic compositions of different types ofrocks can reflect degrees of partial melting and metasomatic processes in the mantle.

不同岩石类型的REE配分模式和同位素组成反映地幔部分熔融程度和交代作用过程。

The possible metasomatic agent was silicate melt in terms of Pb abnormality, which is characterized by enrichment in Pb and depletion in Y and LREE.

依据Pb的异常，可以推断交代物质可能为硅酸盐熔体，且熔体具有较高的Pb和较低的Y含量以及轻稀土富集的特征。

Various "metasomatic textures" of ores were foimed in diagentic stage.

矿石中的&交代结构&形成于成岩期。

Ore texture mainly is crystallzation texture and metasomatic texture. Ore structure are dominated by disseminate.

矿石结构主要为结晶结构和交代结构，矿石构造以浸染状为主。

The existence of the melt inclusions is a challenge to the conception of traditional contact metasomatic genesis of skarn, and has contributed to the improvements of the research level of genesis of skarns and skarn deposits.

熔融包裹体的存在对夕卡岩传统的接触交代成因观点具有挑战性，有助于夕卡岩和夕卡岩矿床成因理论研究水下的提高。

If magma is involved, metasomatic skarn can be formed, but this kind of skarn is obviously later than the stratified skarn formed under a closed circumstance.

在有岩浆加入的条件下形成交代夕卡岩，这类夕卡岩明显地晚于封闭条件下形成的层状&夕卡岩&。

The article has established grade model and tonnage model to 277 contact metasomatic copper deposits of the whole country,based on "the Mineral Resources Data Base of the Whole Country".

依据&全国矿产储量数据库&的资料，对全国277个接触交代型铜矿床建立了品位模型、吨位模型以及品位—吨位联合模型。

Ore texture mainly is crystallzation texture and metasomatic texture.

提出了开发民用地形图和通用基础地形图2种国家基本地形图新品种。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐