查询词典 metasomatic

The research on the ore fabric of the main copper-iron deposits in the Tongling district indicates that there are sedimentary-diagenetic, thermal metamorphic and metasomatic ore fabric in this district.

通过对铜陵地区主要铁铜矿床矿石组构研究表明，石炭系铁铜矿床中存在沉积成岩、热变质及热液充填、交代的矿石组构。

Ore textures mainly include crystalline - granular and filling - metasomatic textures with various shapes.

中文摘要：朝山金矿的主要矿石类型为含金硫铁矿石，矿石中富含铋矿物，且作为主要载金矿物，是该矿床的标型特征和重要找矿标志。

The Tonglushan copper-iron deposit,being one of contact metasomatic skarn polymeatal deposit,is at medium risk for use up of its resource after 30 years mining.

铜绿山铜铁矿床是长江中下游铜铁多金属成矿带典型的接触交代矽卡岩型矿床之一，但经三十余年的开采，资源己是中度危机，寻找接替资源，迫在眉睫。

The contact - metasomatic iron deposit, which emerges between intermediate - acid magmatic rock and carbonate rock, is controlled by geologic structure.

产于中酸性岩浆岩与碳酸盐岩接触带的接触交代型铁矿，受地质构造条件的控制，在安林地区形成了两条成矿带，包含8个矿田。

The burial diagenetic dolostone with multiperiodic metasomatic geneses only of reservoir significance,including two main structure types of oolitic dolostone and crystalline d...

其中具有储集意义的仅为多期次埋藏交代成因的成岩白云岩，包括鲕粒白云岩和晶粒白云岩两种主要结构类型。

On the basis of a synthetic analysis of ore-forming conditions and regional mineralization characteristics in the Qilian metallogenic zone, it is proposed that marine volcanic, contact metasomatic, meta-sedimentary (including sedimentary exhalative) and ductile shear zone types are the major target ore-deposits in the zone.

在系统分析区内成矿条件和区域成矿特征的基础上，提出海相火山岩型、接触交代型、变质型、沉积型、构造蚀变岩型等是该区的主攻矿床类型。

The results of experiments has proved that paragenetic associations of the minerals of metasomatic rocks formed at 380-7000℃ temperatures and (250-800)× O.1MPa pressures are similar to those in the aforementioned three iron ore deposits, are TFe= 11.89-3881.89mg/1 is extracted from sdbvolcanic-volcanic rocks.

实验结果证明了在380—700℃和(250—800)×105Pa的温度和压力下形成了与上述三个矿床相似的交代岩的矿物共生组合，并且从次火山岩-火山岩中萃取出TFe(11.89—3881.89mg/1)。

The mantle metasomatism in western Liaoning is representive of the disseminated amphibole, which implies that the metasomatic medium could be a relatively Na-rich silicate melt.

辽西区地幔交代作用以弥漫型角闪石的形成为代表，表明交代介质为相对富含钠质的硅酸盐熔体。

The granites of syntectic typeand metamorphic-mixed metasomatic type are associated only with uranium occurrences.

变质混合交代型和同熔型花岗岩只有铀矿点或矿化点产出。

The late bearing-ore magma formed by the differentiation and immiseibility of magma may form the intrusive iron body, but more iron deposits attribute to skarn type resulted from the metasomatic reaction between intrusive magma and stratum.

岩浆分异或不混溶作用形成的晚期含矿岩浆可以形成矿浆贯入型铁矿，更多的是侵入岩浆与地层发生交代反应形成的矽卡岩型铁矿。

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