查询词典 metallogenetic

According to the research of Pb isotopic, the metallogenetic material mainly originated from the Permian basalts; the study of sulfur isotopic find that the sulfur of the basalt-type copper deposits and carbonaceous sedimentary interlayers-type copper deposits originated from both Permian basalts and evaporate of sedimentary section, S in bauxitic mudstone-type copper deposits originated from evaporate of sedimentary layers.

研究区三种类型铜矿的铅同位素示踪研究，成矿物质主要来自于邻近的二叠纪玄武岩；硫同位素研究结果显示，玄武岩型铜矿和含碳沉积岩夹层型铜矿中的硫有两种来源：二叠纪玄武岩和蒸发岩中的硫；而铝土质泥岩铜矿中的硫主要来源于沉积地层中蒸发岩的硫。

The rock gold deposits born in Pre-cambrian system stratum and performed as bed-bear ing quartz vein, shear-quartz vein, stringer vein. alteration host rocks and tectonic breccia etc. and embraced with many ascepts of common metallogenetic geology characteristics, not only have the obvious and close distributional relationship on tectonic zones, but also share possibly the same genetic mechanism.

研究表明，产于前寒武系地层中，以层间石英脉、剪切石英脉、石英细脉、蚀变围岩、构造角砾岩等多种型式产出的、具有很多共性成矿地质特征的岩金矿床，不仅具有明显密切的空间展布关系，而且更重要的是它们可能具有某种深刻的内在共性成因联系。

By thorough analysis and systemic comparison of the typical deposits and magamtic plutons, especially geochemistry of different metallogenetic granites, the source formation mechanism of granitic magma, as well as including composition and character of ore-forming fluids, the author re-recognized Yanshanian magmatic activity, ore-forming fluid action and mineralization process in Southern Hunan Province, and established the conceptual model of the magmatic intrusive contact structural system.

本文通过深入剖析和系统对比矿集区内不同成矿花岗岩体的地球化学特征、岩浆物质来源、形成机制及典型矿床的成矿地质特征，重新认识了湘南钨锡多金属矿集区燕山期花岗质岩浆活动、流体作用与成矿过程，建立了岩浆侵入接触构造体系概念模型，在以下几个方面取得了一些重要进展：1。

The sulfide deposits have the stratabound nature and show zoning controlled by different distances from the eruption center. Moreover, there are metallogenetic specializations of thick-bedded basic lava-hosted iron deposits and acid volcanic rock-hosted copper-zinc deposits or lead-zinc-copper deposits.

矿床具有层控性及距火山喷发中心带距离不同而控制的分带性规律，还有厚层基性熔岩形成铁矿、酸性火山岩赋存铜―锌型或铅―锌―铜型矿的岩性成矿专属性。

Tongchang porphyry copper deposit, located in Dexing county, Jiangxi provance of southeast china, is a major deposit of famous Dexing porphyry copper ore field, which is located in the exterior zone of the Circum-Pacific Metallogenetic Belt.

德兴铜厂斑岩铜矿床是环太平洋成矿带外带组成部分，位于中国江西省德兴市境内，为著名的德兴铜矿田内的主要矿山。

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。