(U—Th)／He dating method is a new radiogenic isotope dating method rapidly developed in recent years，which has been applied widely in the research field of basic geology．At first，we simply present the(U—Th)／He dating principle and summarize its technique development and application results in geological research．Furthermore，we discuss the feasibility of(U—Th)／He dating in determining the forming age of nonmetallic—metallic ore deposit，the succeeding alteration and unroofing age of metallic ore deposit
The Wudang upheaval is an important metallogenic area of the Ag-Au-Polymetallic ore deposits．The ore deposits mainly distribute in the west edge of Wudang upheaval and form the western metallogenic belt．The structure plays a major role for occurrence of ore deposits，and detachment structural surfaces of early extension structure control the distribution of the ore deposits．The ore bodies which had formed were superimposed and reform ed by the later nappe structure，and then had been enriched
Northwest of Sichuan province is one of the main distributing area of primary gold deposit，minuteness disseminated gold deposit as the main type deposit．Large and middle gold deposit and super large gold deposit in this area(1ike Shuajinsi Lianhecun，Gala，Jinbuda)indicated the fine foreground of gold metallogeny．As the development of the remote sensing technology，remote sensing had become one of the important ways of exploration．Compared with other normal methods of geological survey，remote sensing played an obvious role in geological survey gradually． Based on the regional metallogeny and metallogenic condition，using remote sensing built regional tectonic framework which based on the NW ，EW and near SN．It can optimize the abstraction of alteration information，and buih regional remote sensing exploration model．Than we chose the synthetic prediction area，integrated with remote sensing，geology ，geochemical prospecting．
The iron—oxide—Cu—Au deposit has become the important investigation target in many countries in recenttwenty years．In China，the Baiyunebo REE—iron ore deposit，located in the joint belt between north edge of Huabei platform and Daxinganling fold system of Inner Mongolia．Lala Cu—Au—U—REE deposit．1ocated in middle part of Kangdian Earth S axis，and convergence part between EW—strike Jingshajiang folded belt and SN structure of Sichuan and Yunnan，are the putatived iron—oxide deposit．The Hadamengou gold deposit，had same structural background with Baiyunebo deposit，with Kalkali—rich and strong oxidize mineralizing fluid，and iron oxide—rich in ore structure has been seen as the characteristics of iron oxide type gold deposit．The three deposits have their own characteristics conparing with the typical iron—oxide deposit of abroad．We should pay more attention to integrate investigation of such type deposit，and find more such kind deposit in China．
Yangshan gold deposit，located in W en country of Gansu province，is a supper large fine—grainted disseminated gold deposit，belongs to the South Subzone of the West Qinling in geotectonics．The ore body occurs in Middle Devonian Sanhekou group epimetamorphic stratum．By analyzing the characteristics of gold content in regional stratUB ，REE，S，H ，0 ，C isotopes，it shows that the ore—forming material source of Yangshan gold deposit are main magmatic fluid，Secondly for devonian stratum and Bikou group stratum．
Xincheng gold mine belongs to the medium temperature hydrothermal filling metasomatic altered rock type． In recent years，the mine makes a secondary development of mass exploration，production and scientific research geological information，combined with obtained data by survey other deposits in Jiaojia structural belt，it provides scinentific basis of eficiency，quickness and economics for geological prospecting work．By developing geochemical anomalies research of known ore body，then establish prospecting target，and get two blind ore body with considerable reserves．The regional fault—controlled under the depth of cutting，a large scale，provides conditions for the form ation of gold deposit，and the deep geological prospecting in Jiaodong deposit has broad prospecting．
Sanshandao-Cangshang fault zone and Xincheng-Jiaojia fractured zone are famous gold metallogenic belts inour country．At present time，the depth range of resources reserves is from 400 to 700 meter in underground，which were controlled by mining activities．In order to have a better effect of exploration works in middle-deep parts of these ore deposits，we developed metallogenic prognosis works and delineated mineralization target by using synthetic technical means on prospecting．In the progress of target test and verification and exploration works，we adhered to the
working thought which is the close combination of scientific research and exploration．Newly，a better effective result has been gained in the practical production．
The Shuangquan gold deposit，located in the Kalamaili metallogenic zone，is the important gold-polymetal metallogenic zone of East Junggar，and it occurres in the epimetamorphic ore series of Nanmingshui formation of lower carboniferous，which has higher gold abundance．Thei'e are frequent magInatic activity in this area and the incursion rock occurred in the north area as batholith．The Qingshui．Sujiquan falt and its subsidiary fracture were the 0re．c0n．trolling structure and ore-host space．Rocks in fracture zone had obvious plastic deform ation and strong schistosity
，mylonitization and had the character of ductile-brittle shear deform ation．The Shuangquan gold deposit belongs to the crushing alteration bearing gold-quartzvein type．Au element mainly from stratum，partly from deep source
Sanshandao gold deposit(Cangshang gold deposit in Laizhou)buries shallowly and has a big ore—bodythickness，SO it is one of Chinag large—scale open—air gold mining．As no ores in the open—air mining field could be exploited basically，the mine was facing a resource crisis．To extend the life of Mine，we decided to study the law of mineralization and prospecting forecast of the deep of the mine and the ore—body footwal1．Analyzing，researching the No．3 structural alteration zone in the main and dominative structural alteration zone，based on ore—controlling structure characteristics and geological condition，we found that the prospecting drilling touched the gold ore．Than we exploited ore with construction silo in tunnel，we gained a industrial ore—body under the former ore—body with mining value．This discover protract the production life，at the same time．the open—air gold mining turned to underground mining l successfully．Our experience can be used to other similar deposit．
Mineral vein of Dongshan deposit in Linglong gold field is numerous， the relation 0f mineral vein is c0m．plex and mineral vein have the obvious phenomenon of convergence，separation，reunion．Through the research 0f distributed regulation，geology characteristic，country rock alteration，mineral vein with rock vein of vein No． 1 8，47，50，1 76N，48，as well as comparisons of the complexion of space distribution
，occurence，and grade varlation Metall0genesis is summarized， exploration．finding out the mineral enrich to gather the beneficial part
，which provides geological references for
Jiaodong region is one of Chinag major gold mining area，through many years exploring，gold reserves areinsufficient seriously．In order to prolong mining period of existing gold deposit，we search for blind ore in deep and peripheral of the mining area in recent years，an and achieve certain results．Research and summarize methods and marks of deep blind location forecasting in Jiudian gold mine，summarize application experience，which have certain reference function for deep exploration of other areas．
South the sanchia gold ore bed sticks out the Muping—Wendeng in Jiaodong to stick out the reason，seeksthe breast mineralization to take to bring with，through to the sanchia gold ore deposit geological feature， the faulted structure forms the mechanism ，controls the ore factor and the mineralization rule research indicated， the gold ore body tax saves in north—west to turn in the fault zone to the pressure strictly the fault zone control， south this mining area depth portion，north the both sides are the prospecting advantageous land sector
The formation in Qixia is not bared completely．It has Jiaodong group in the late archean，Jinshan group and Fenzishan group in lower proterozoic
， penglai group in upper proterozoic．There is n0ne strata in Daleozoic． There are Laiyang group，Qingshan group and Wangshi group in mesozoic，tertiary and quaternary in cenozoic．We a1so find that the metamorphic plutonic and geological stmctur are distributed in Qixia，the magmatism meves tempestu0us1v． various nonmetal，precious metals and nonferrous metals are controlled strictly by the strata in diferent age
， magmatism and structure in diferent times．So realizing strata ， magmatic rock，the ore—controlling of structure
， 0re．ferming ge0logical conditions and prospecting criteria is important meanings to prospecting works
We discusses the relation of standard curve regression，using times of graphite tube，measurement mode and accurate degree of analysis，measureing trace gold by graphite furnace atomic absorption．Than we point out some important influencing factors of analyzing accurate degree，and some measures to resolve the problems．
A multi—stages ventilation system model in exhaust section is studied and used combining with the actua1condition of the Xincheng Gold Mine，and a pe~ ct ventilation system is founded up． The results using the model are satisfactory．
By using external pulse mining preparation，Continuous stoping，short hole bringing—down。trackless out mine and tailings filling etc integrated technology ， assisted by sand bags partition wall，roof monitoring etc matching process,continuous mining method achieves the sale，highly efficient， low loss，low cost mining of difficult—to—mine complex orebody·There is some significance for reference and direction on similar mine
Cangshang gold mine realized stoping of west open pit， stoping of residual ore in the estern，mining of service well，Pinglidian，Sizhuang mine area，commissioning and mining of Xinli mine area， and multi．item measures etc．exploratory in transition period about opencut mining to well mine．It developed ore resources resonable， realized the smooth transition of opencut mining to well mine， obtained stabbe and high yields，and achieved good economic benefit．
This paper introduces the meaning，significance and specific content of about information constructione． quipment management，and analyzes the current status and problems of inform ation construction about equipment management in gold industry．Take the overall goal of inform ation construction about equipment management in gold industry as a guide，it puts forward some suggestions and concrete measures in the process of inform ation construction，according to the actual situation of gold industry equipment management
Jinzhou companies through the development of recycling economy and adopt various measures to mine waste rock and tailing，integrated water resource recycling，recycling Po，the basic realization of mine production without waste emissions，not only to maximize the use of mineral resources，protecting the ecological environment and realized the business community and the double—effectiveness
This article analyzes the existing problems and shortcomings of current equipment management based on the development features and the main tasks of gold equipment management，guided by the overall principles of equipment management．We describe the solutions and concrete measures of coresponding problems systematically ， aiming at the actual situation of the development of equipment management，SO as to enhance the level of integrated management of equipments，enhance the competitiveness and promote the development of the corporation．
This paper puts formard the inevitability and objective of domestic work，according to the advantages and disadvantages of imported equipment spare parts．Take domestic general idea of spare parts as a guide ， we reduce purchase price，transport cost，order cycletime and occupy funds furthest．We discuss the consciousness in the implementation of domestic at the same time，aiming at the actual situation of gold mining in Shandong．We demonstrate specific measures and concrets steps in detail =a l0rding to the general idea of localizatio
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