成矿的

Empirical observations suggest that the anomalies are preferentially located 10 to 25 cm below the soil interface, comprise elements contained in ore, and are located directly above the mineralizing source.

经验观察表明，在异常优先位于10至25厘米以下的土壤界面，包括在矿石中包含的元素，并且直接成矿源位于上方。

The mendous thick ore body was formed by sea floor volcanic eruptive sedimentation during the Devonian Period; the stringer ore body by Yanshanian magmatic hydrothermal fluid filling and overprinting. The reduction of old terrigenous detritus and some organic materials has important effect on the late ore fluids.

其中层状矿体为泥盆纪海底火山喷发沉积作用所致，脉状矿体可能来自燕山期岩浆热液充填迭加形成，古大陆碎屑物质和部分有机质的还原对后期成矿流体具有较大的影响作用。

The δ^34S values of ore minerals vary slightly from -3.1‰ to +0.7‰ with an average value of -1.1‰ and the δ^34S values of the ore-bearing porphyries are -1.4‰ and -1.5‰, indicating that sulfur is mainly derived from the magma of porphyry.

雪鸡坪铜矿S，Pb同位素组成共同指示成矿物质主要来自于深部岩浆，这种岩浆可能主要起源于俯冲洋壳板片的部分熔融并受到少量地壳物质的混染。

The ages, natures and tectonic environments of the Bangong Co porphyry copper belt have been preliminarily determined through a study of ore-bearing porphyries in the Dobuzha and Garqiong porphyry copper deposits in the porphyry copper belt.

通过对藏西班公湖斑岩铜矿带多不杂和尕尔穷2个大、中型斑岩铜矿床含矿斑岩的研究，初步查明了该铜矿带的形成时代、含矿斑岩性质及成矿构造环境。

Using remote sensing image process technology, the information of structure and wall-rock alterations related to the gold deposit is put forward on the basis of false color composite and ratio color composite, and many ring structures are interpretated on the TM images.

利用遥感图象处理技术，在假彩色合成及比值假彩色合成图象上提取与金矿成矿有关的构造、围岩蚀变信息等，并在TM图象上解译出大量环形构造，将所获得的多种信息进行复合。

Answering these problems will play an important role not only in the study of the Emeishan basalts and the mantle_plume interaction, but also in the investigation of their relation to mineralization.

这些问题的解决，对研究娥眉山玄武岩本身以及地幔柱－岩石圈的相互作用及其成矿效应均具有重要意义。

As a unique region in the world, this domain is characterized by its large area （about 900 000 km^2）, many kinds of mineralization （Au, Hg, Sb, As, P, Pb-Zn, U, Ni-Mo-PGE, barite, calcspar, and dispersed elements）, and complicated compositions and associations of ore deposits.

中国西南地区发育有世界上很典型的低温成矿域，其面积之大（约90万km^2）、包含的矿种之多（Au、Hg、Sb、As、P、Pb-Zn、U、Ni-Mo-PGE、重晶石、冰州石和分散元素等）、矿床组成和组合之复杂，在全球十分鲜见。

Through analysis of geological setting of ore beds and considering the prerequisite of heap leaching mining, the Pliocene of Kuqa-Ertatai area is predicted to be a prospect area of placer-type uranium mineralization.

通过对各含矿层地质背景分析，并考虑到地浸开采的前提条件，预测出库车－二八台地区上新统为可供地浸的砂岩型铀矿成矿远景区。

Kaolinitic rocks in China's coal measures are unique in the world. They are characterized by widespread distribution, multi-staged formation, complicated genetic types, abundant reserves, and better qualities.

中国含煤地层中高岭岩分布广泛，成矿时代多，成因复杂，储量丰富，质地优良，是一种重要的自然资源和非金属矿产，具有极高的开发利用价值，在全世界独具特色。

This paper mainly deals with some spatial regularities,or called distribution law s of gold lodes and ore bodies,which are significant and efficient in site prediction for these deposits,including distribution law s of the so called major-structure constraints;of t.

文中主要总结了对脉状金矿定位预测极为重要且效果明显的若干脉状金矿床及金矿体在空间上的分布规律、控制因素和形成机制，包括主构造控矿律、群簇产出律、对应产出律、等距分布律、分段富集律、侧伏律和成矿界面律等。

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。