In order to meet the demands of data inversion and geological interpretation of the integrated geophysical exploration of Zhenfeng anticline Carlin-type gold deposit in southwest of Guizhou，we got collected all different kinds of physical property data of the drilling core and defined the physical characteristics of the wall rock by accurately measuring the resistivity，magnetisability，residual magnetization and density of the corresponding drilling core，using 3522-50LCR tester，SM30 magnetic susceptibility meter，2G-760U-Channel magnetometer system and high-precision physical balance.In particular，we measured the sample’s resistivity from both horizontal and vertical directions and get discovered the sedimentary rock anisotropy，which is reflected in resistivity.Data show that different rocks are different in physical properties more or less in the area.The result of the study is a useful reference for the choice of geophysical exploration methods and indispensably essential for the geophysical data reversion in this area and nearby.
The fault structure is the Ore-controlling structure in the Zhaishang Gold Deposit，but the formation and the morphology are controlled by fold structure，and it also internally controls the migration and enrichment of ore-forming materials.The ore-controlling tectonic system is divided into four levels based on the regional tectonic framework and the vein distribution of the mining area.Through the analysis of the control function of ore body structure （Nana ranch anticline），we obtain the occurrence of vein controlled by the Fold obviously.As the different parts of the Fold have the different lithologic association，and also have the different structural types，the Fold controls the degree of mineralization in mining area.For this understanding, north ore belt in the Fold north have greater potential for exploration，south ore belt in the Fold nuclear have a certain value in the superficial，and the southern fold is not a metallogenic conditions area.
Abstract: Honghuaping lead-zinc deposit is located in the Au-Cu，Pb-Zn and Hg-Sb polymetallic metallogenic belt in Xunyang basin，southern Qinling Mountain.It is a sedimentary-reformed lead-zinc deposit.The grades of Ag，Cd and Ga in the deposit are all over the least industrial grade as the associated useful composition.The occurrences of Ag，Cd and Ga in Xunyang lead-zinc deposit were studied with the help of ore microscope and electronic probe.It shows that the main mineral compositions of the ore are zinc blende and galena，and also have bits of pyrite，bonamite and rhodochrosite.The useful composition of Silver minerals in the mine mostly occurs as electrum，and some occurs in galenite with isomorphism forms.The independent minerals about Cd and Ga are not appeared，which occur in the crystal lattice of zinc blende and galena.Then the Carrier minerals characteristics of useful associated elements are expounded.Most useful associated elements have broad prospects，which can be comprehensively utilized in lead-zinc deposit.The occurrence study of useful associated elements can bring high economic value and have some guidance significances to utilizing the mineral resource reasonably.
Dailong Gold deposit was found in 2005，but geological prospecting is still in pre-investigation stage. Through the researching of regional geology background，deposit geology，material source and genesis，the conclusi-on is that orebodies which is hosted in Upper Triassic Xinduqiao group is controlled by the rock and tectonic；the ore type is the broken alteration slate and granite porphyry；the main gold-bearing minerals are pyrite，arsenop-
yrite and stibnite；ore-forming material is from strata and magma，having the medium temperature range；metallogen-
ic epoch is Late Triassic-Early Jurassic；type of Dailong gold deposit is the mesothermal alteration.This study provi-
des reference for the further research on the metallogenic characteristics and the geological prospecting activities.
The genetic types of Laodonggou gold deposit have been controversial for a long time in Ejin Banner， Inner Mongolia，and there are two main points of contention，endogenous deposit and exogenous deposit.Through the analysis of the previous data and field and underground tunnel survey，this paper discusses the geological features，ore-controlling factors and genetic types of Laodonggou gold deposit.We consider that Laodonggou gold deposit belongs to the endogenetic hydrothermal alteration type gold deposit.It should not be called an oxidizing-leaching type gold deposit.It is suggested that there are large potentials to find new gold ore bodies in the deep.
Panhe molybdenum deposit is located in the western part of East Qinling molybdenum ore belt.The molybdenum orebody lies in the middle-proterozoic Kuanping group，a sedimentation-eruption formation generated from polycyclic evolution.The main ore-bearing rock types are marble，dolomitic marble and green schist.Panhe molybdenum deposit exhibits the characteristic of multilayer and parallel shape，which is chiefly controlled by Panhe anticline core and shear fracture stucture in its wings.The formation and development of molybdenum deposit are mainly influenced by subvolcanic activityand tectonic，and have close relationship with cryptoexplosion breccia that intergrowed with subvolcanic rocks.It is the results of the common effect and long-term evolution of the structure and volcanic activity.The Panhe molybdenum deposit belongs to hydrothermal type in late volcanic stage，and its metallogenic epoch is late Yanshanian.The results show that looking for the molybdenum (tungsten) orebody should be in the deep favorable positions which are polycyclic sedimentation-eruption formation，magneticly-electricly abnormaly and cryptoexplosion breccia layers mainly.
In order to check the application effect of the Geo-electrochemical Extraction Method in Mohailaheng Pb-Zn deposit，we have carried out the effective test for the known profile in mining area.Tests show that the location of geo-electrochemical anomaly and known orebody are consistent，and the geo-lectrochemical method for prospecting prediction is feasible in this kind of region.At the same time，through the prospecting work in unknown areas，3 target areas were confined.We have predicted the location of the known orebody which extends westward，and suggest that taking key verification for the No.1 target which have the abnormal high strength，good continuity and coincident each element anomaly，is expected to get breakthrough.
According to the testing process for determination of gold in gold ore by AAS，we systematically analyzed the source of the uncertainty.The uncertainty of the determination results are made up of the uncertainty components which include standard compounded，sample preparation，curve fitting，sample uniformity，examination duplication and so on.Measurement results are obtained，with the standard uncertainty of 0.03 ug/g and the expanded uncertainty of 0.06 ug/g.Through the evaluation concluded the main factors influencing the measurement accuracy，and we should operate in strict accordance with the procedures in the later work.
Optimum conditions of testing trace gold are reported and studied many in domestic and international literatures.The optimum conditions for determination are diverse due to the particularity of geologic samples and the complexity of analysis trace gold.For researching into the optimum conditions， the control factors such as temperature， concentration and time in testing trace gold which be absorbed and collected by foamed plastic and eluted with thiourea by graphite furnace atomic absorption spectrometer are studied.Through the experimental study，the best solution of determination is obtained.The method has been applied to the national assay standard and 15 000 geochemical samples， and results of application in practical work conforming standard requirement. The method is applicable to the determination of trace gold.
Gold is the urgent strategic materials，effective recycling gold from a variety of ore and waste slag，waste water is of significance.Qingdao Gold Lead-zinc Exploitation Co.，Ltd.，produces 300 tons of mineral processing wastewater in the cyanide tailings recycling lead zinc flotation process per day，which with gold content of 0.3 grams per ton and great recovery value.This study makes use of activated carbon adsorption characteristics，effective recovery of mineral processing wastewater in gold，silver and other valuable metal，and satisfactory results were obtained.
The main occurrence states of gold in nature mainly is fine and discrete free gold in the rockymineral and henoboer minerals.It contains uncovered nature gold，linked gold and wrapped gold.So Chemical phase analysis of gold is to measure gold content in various mineral.It is discussed that how to determine the Chemical phase analysis in the complex gold ore.At the same time，it also presents the progress in gold of chemical phase analysis in recent years，including determination of different valence state gold，the occurrence of invisible gold in gole ore （especially in sulphide ore） and the development of chemical phase analysis in refractory gold ore.
The radioactive contamination problems in gold mining are concentrated in this paper，possible hazard made by radon and radon daughters must be pay great attention.Through the researches for radon gas transfer and permeate mechanism，we proposed appropriate protective measures for different condition.This paper puts forward useful methods of reasonable adjusting the ventilation system in underground mine，setting practicality barrier，using chemical adsorbed mater，and installing high efficiency air filter for controlling the spread and seepage of radon，reducing the concentration of radon and radon daughters in the mine.Routine monitoring in the mine，personnel protection and mine management，also help to reduce workers suffered radiation injury as low as possible.
In order to solve the geological prospecting information construction problems and build the overall architecture of the building of the geological prospecting information software，in this paper，first starting with the establishment of the geological prospecting business model，then analyzing diversity and complexity of the means of geological exploration work，multi-source and heterogeneity of geological prospecting data，we built a set of relatively complete and practical information system of geological exploration.Finally，from the point of view of practical application，we expounded the significance of geological prospecting information software，as well as the future development trend.The research of the paper has important guiding significance for how to carry out geological prospecting information construction.
At present，because the surface of a plurality of small mine which surround around the Jiaojia gold main mining area is not allowed to collapse，there are a series of problems，such as filling preparation difficult，low efficiency and high production costs，etc.This paper expounds the mode that use the mature cemented filling system of the main mining area for the main mining area and surrounding small mining area filling service.At the same time，by focusing for sand，sand storage，centralized filling，completely solve the disadvantage of the surrounding small mine filling preparation system.The successful application of the model provides protection for mining enterprises making full use of resources and exploitation of resources，improves the economic and social benefits，and provides a reference for other mines.This model has a good application prospect.The effect is significant.
Aiming to solve the problem of inclined roadway waistline Calibration，more effective and accurate methods are provided based on the available knowledge and practice.The author has tried the methods of waistline correction and quadratic Pseudo-dips and has analyzed their accuracy.Progress has been made in theory and research methods as regards the two approaches.It not only perfects the theory of setting-out inclined roadway waistline to some extent but also completes this research method.The results show that during mining，both of the two time-saving methods can reach the accuracy level and they can solve problems more easily and effectively.
The pressure leaching is a very efficient hydrometallurgy process with autoclave being the key equipment and technology.This paper systematically reviewed gold and silver concentrate，high iron sphalerite， copper oxide ore and Laterite were treated by pressure leaching from laboratory test，expanded test to the industrial production of the demonstration project in IPE.Respectively，in a tubular autoclave，air stirred autoclave，titanium autoclave and industrial autoclave of 100 m3，these refractory mineral resources were extracted efficiently and cleanly.
Focusing on refractory gold concentrate containing copper，the technology of roasting-acid leaching-cyanidation was studied and the optimized condition was obtained.Experimentation results show that Cu leaching rate is above 95% and copper grade of acid-leach residue is low of 0.3% when concentrate roasted 2 hours at temperature of 540 ℃，roasted product is leached with sulfuric acid of 30 g/L under conditions of 3 of liquid-solid ratio，90 ℃ of temperature and time of 1.5 hours.The recovery rate of Au is above 96% when decoppering slag is leached with the densities of sodium cyanide of 4‰ under conditions of 30% of pulp density and time of 24 hours.This process realizes recovery Au and Cu in high efficiency.
This paper has studied the process methods of adoption roasting cyanidation extraction of gold，silver and copper in a flotation copper concentrate.The results show that roasting flotation gold concentrate （0.074 mm more than 90 %）under the 600 °C，and the by-product SO2 is used in preparation of acid.The calcine was leach-ed with 5% H2SO4，and recovering copper.Tuning solution pH≈9.5 with the new modifier（NH4HCO3+NaOH）， and leaching the acid Leaching residue with the cyanidation.The extraction ratio for gold，silver and copper reached 98.18%，32.17% and 93.6%，respectively.It has an obvious economic benefits and social effectiveness，and provides an effective technique method for copper concentrate extraction process.
This article carried out an experimental study on the ammonia-cyanide column leaching of a carbonate rock gold deposit containing copper.It studied the particle size，the ammonia cyanide ratio，the irrigation rate and the eluent composition and so on，on the influence to the column leaching effect.The results show that when the particle size is -20 mm，the effective ammonia cyanide ratio is 2∶1，and the irrigation rate is 5 to 10 L/（m2·h），the leaching rate of Au will reach 82.06%， but the leaching rate of Cu is only 7.85%，the consumption of main leach- ing agent NaCN dropped from 15 kg to 4.24 kg per ton ore，and the NH4HCO3 correspondingly needed 35.33 kg per ton ore.Additionally，compared using water as the solvent of leaching agents with using the copper-containing barren solution as the solvent，it did not affect the leaching rate of Au，but the leaching rate of Cu decreased by 79%.
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