成矿的

Characteristics of gold polygenetic compound deposits in the region are demonstrated. The new viewpoint is put forward that the gold deposits in the region belong to "sediment- metamorphism-fluid superposition reconstruction" deposits which are formed by fluid superposition reconstruction in the Diwa stage on the basis of preliminary enrichment in the fore-geosyncline,geosyncline stage.

论证了区内金成矿的"多因复成"特征，提出了区内金矿是在前地槽、地槽阶段金初步富集的基础上叠加了地洼阶段流体成矿作用的"沉积-变质-流体叠加改造矿床"的新观点。

Through experimental geochemistry, thermal degradation and releasing gold of organic matter was studied, and thermal degradation result, gas hydrocarbon, was applied to surveying thermal degradation and studying metallogenetic thermodynamic field.

通过实验地球化学手段对热作用下有机质发生改造并释放金的研究，尝试用有机质热降解产物气态烃对热作用程度的度量和金牙矿区成矿的热力学场的研究。

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。

In order to find new pegmatite Nb-Ta ore-deposit, it is very important practical-significances to ascertain the host structure characteristics and the relations between the tectonic epochs and ore-forming.

通过查明矿床的容矿构造特征以及构造期次与成矿的关系，对寻找新的铌钽伟晶岩矿床具有重要的实践意义。

The Devonian is the source bed of gold, and phyllite, slate, schist and siltstone are important source rocks.

金在地层中的分布受岩性和沉积环境的控制，泥盆系是本区金成矿的矿源层，其中千枚岩、板岩、片岩、粉砂岩是金矿的重要源岩。

The enrichment of minerals such as siderite and pyrite, which are sensitive to geochemical environment, in the transitional zone indicates that the geochemical environment is neutral-acidic and reductive and is propitious to the precipitation of uranium.

过渡带中菱铁矿(FeCO3)和黄铁矿(FeS2)等对地球化学环境敏感的矿物的富集，指示了有利于铀成矿的中性-弱酸性、还原的地球化学环境。

Polygenetic compound deposit is characterized by " five many".

作者于1979年开始提出多因复成矿床概念的主旨，是为了阐明从时空四维并重的角度来认识与研究成矿的重要性。

Characteristics of gold polygenetic compound deposits in the region are demonstrated. The new viewpoint is put forward that the gold deposits in the region belong to "sediment- metamorphism-fluid superposition reconstruction" deposits which are formed by fluid superposition reconstruction in the Diwa stage on the basis of preliminary enrichment in the fore-geosyncline,geosyncline stage.

论证了区内金成矿的&多因复成&特征，提出了区内金矿是在前地槽、地槽阶段金初步富集的基础上叠加了地洼阶段流体成矿作用的&沉积-变质-流体叠加改造矿床&的新观点。

Altered fracturezone type and quartz veitl type of gold deposits developed in the Qiyugou area of the eastern Qlnling fold zolle belong to a metallogenlc series relaied to the mid -- late Yanshania cafe--alkline granitoids.

该系列金矿是在燕山中晚期钙碱性花岗质岩浆基础上发育起来的，具有同源、同期、同成因、不同空间成矿的特征，称之为以隐爆角砾岩型为主的金矿床系列。

In this tectonic setting, the special sedimentary environment and regional magmatism as well as tectonic force are the main factors which control the regional metallogenesis .

活动陆缘区特殊的沉积环境、区域岩浆活动及构造变形动力等作用，构成了区域矿产形成的主要背景和控制因素，从而使不同类型和元素组成的矿床得以形成，并表现区域成矿的总体分带规律。

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。