成矿的

Metallogenic conditions are analyzed from the magmatism of REE bearing syenite,hydrothermal activity and fracture activity.

从富含稀土的正长岩岩浆活动、浅成热液作用和断裂构造分析了矿床成矿条件。

Cont rol of terrane tectonics on characteristics and regular patterns of metallogenesis of Chinese gold deposits.

地体构造对中国金矿成矿特征及规律的制约。

Through analysis of spatial relationship and morphological characteristics of Jinchuan ultrabasic rockbody,it is realized that the Jinchuan ultrabasic rockbody is divided into two parts and three concentrative segments.

通过对超基性岩体空间关系、形态特征的分析，认为：金川超基性岩体分为东、西两段和东、中、西三个成矿富集块段。

So the in-situ gama-ray spectrometer survey is a good method to prospect uranium ore in deeper layer.

而常规化探方法测量的Mo、Cu两种元素和深部铀矿成矿有共生关系。

The aforementioned associations are interpreted as an indicator of the gold veining overlap at depth in the light of the correlation coefficients of...

结合Ni、Co、Mo与Ag、Hg、As、Sb等的相关特征，认为上述三个金矿均有成矿头尾晕叠加现象。

Until now, some studies showed that major source of ore-forming materials come from wall rock or upper mantle.

目前，有关研究认为此类矿床成矿物质主要来源于矿床的围岩或上地幔。

Hydrothermal sedimentary albitite in the Upper Paleozoic in the South Qinling is closely related to many large-superlarge lead-zinc deposits in the south Qinling orogenic belt.

提要：热水沉积钠长石岩在南秦岭上古生界中颇具特点，与南秦岭众多的大型，超大型铅锌成矿关系密切。

From mineral associations ofnative gold -calaverite, ga1ena -altaite in conunon, and native silver-hessite at the endof the sulfides quartz stage, it is concluded that Te, fugacity is in "unstheated statefor native Te" and will decline with the temperature of metallogeulc fluids decreased.

自然金-跨金矿、碲铅矿-方铅矿与晚阶段碲银矿-自然银共生组合分析表明，本区碲逸度处于&自然碲的不饱和&状态，并随成矿温度降低而减小。

The geochemical characteristics of REE in the auriferous quartz vein s indicate that the ore forming f.

含金石英脉的稀土元素地球化学特征表明成矿流体具有多源性。

The SiO2 released from fluid-rock interactions occurred in the form of colloid, absorbed gold in the fluids, and then recrystallized to form auriferous quartz veins in the brittle structure.

释放出的SiO2呈胶体态赋存在流体中，并吸附Au等成矿物质，后在脆性构造中重结晶为含金石英脉。

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。