石英脉

In recent years, a number of tungsten polymetallic ore deposits were discovered in Guidong—Rucheng area, resulting in a remarkable breakthrough in the expansion of ore deposit type and ore deposit size. The ore deposits are of skarn type, altered granite type, structural alteration belt type, quartz vein type, greisen type, bedded type etc.

中文摘要：近年来在桂东-汝城地区发现了钨多金属矿床10余个，在矿床类型和矿床规模上均有较大的突破，矿床类型有：矽卡岩型、蚀变花岗岩型、构造蚀变带型、石英脉型、云英岩型、层控型等多种。

The WO3 content of the W-bearing topaz-quartz veins and that of greisen blocks range from 1.23% to 1.86%(1.55% on average) and 0.26% to 0.54%(0.40% on average) respectively.

研究表明，红尖兵山钨矿床的矿化类型大体可划分为云英岩型和黄玉－石英脉型。

The ε(322Ma) values of two wolframite separates from the greisen massive ore range from 4.24 to 5.93, much higher than values of the ancient continental crust and Precambrian metamorphic rocks.

相比之下，黄玉－石英脉型钨矿石中5件黑钨矿样品的ε(322Ma)值变化范围为-4.16~-8.05，与同时期古大陆壳钕同位素演化线值相似。

Quartz - vein type and greisen - type associated with tungsten, and porphyry - type are major types of Sn deposits, In recent few years, a new type of tin deposit- clastic altered rock type has been discovered, which made new development in tin - probing.

赣南地区是闻名于世界的钨锡矿产区，区内锡矿主要有与钨矿共生的石英脉型、云英岩型，斑岩型，隐爆层间裂隙带型等类型，近年来，又发现了锡矿新类型——破碎蚀变岩型，使本区找锡又有了新的进展。

The Maoping tungsten-tin deposit is located in the eastern section of Nanling metallogenic belt, the Chongyi-Dayu-Shangyou tungsten polymetallic ore concentration area and at the front part of the Tianmenshan rock mass extension with a north trend. Greisen and the quartz vein are the main tungsten-tin mineralization types in the mine area.

茅坪钨锡矿床位于南岭成矿带东段，位于崇－余－犹钨多金属矿矿集区西华山－杨眉寺区段中北部的天门山－红桃岭矿田，为天门山岩体向北倾伏延伸的前锋部位；矿区钨锡矿化类型主要有云英岩型和石英脉型两种。

Tin deposit types include the structural alteration zone type,altered rock body type,greisen type,porphyry type,quartz-vein type and alluvial type.

湖南骑田岭芙蓉矿田是近几年发现的超大型规模的锡多金属矿田，目前已发现锡矿脉40多条，锡矿类型有构造蚀变带型、蚀变岩体型、云英岩型、斑岩型、夕卡岩型、石英脉型、冲积型等多种。

Mineralized altered rocks in the silver deposit inherit REE characteristics of source rocks and REE characteristics of hydrothermal quartz vein are basically consistent with migmatite, which shows that mineralised ...

银矿床中矿化蚀变岩继承了原岩的稀土特征，热液成因石英脉的稀土元素特征与混合岩基本一致，反映成矿物质主要来源于混合岩。

Mineralized altered rocks in the silver deposit inherit REE characteristics of source rocks and REE characteristics of hydrothermal quartz vein are basically consistent with migmatite, which shows that mineralised material is mainly from migmatite.

银矿床中矿化蚀变岩继承了原岩的稀土特征，热液成因石英脉的稀土元素特征与混合岩基本一致，反映成矿物质主要来源于混合岩。

In this paper, the geochemical characteristics of granite in Jiangjunzhai tungsten deposit and the Re-Os isotopic dating of molybdenite from quartz-wolframite veins were studied and carried out, in order to elucidate the timing of mineralization and reveal the time limites and geodynamic setting of large-scale metallogeny in Southeast Hunan.

文章研究了白云仙矿田将军寨钨矿花岗岩的地球化学特征，并进行石英脉型黑钨矿石中辉钼矿的铼－锇同位素定年，以精确厘定将军寨钨矿的形成时间，揭示湘东南地区钨、锡等有色金属成矿的时限及其地球动力学背景。

The phyllite, gold-bearing untramylonite and gold-bearing quartz-vein of PEG geochemistry partition mode are Pt-Pd type.

铂族元素地球化学研究表明，千枚岩、超糜棱岩、含金石英脉铂族元素CI球粒陨石标准化分配模式属于Pt-Pd型。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。