MTW European Type Trapezium Mill
Input size:30-50mm
Capacity: 3-50t/h
LM Vertical Roller Mill
Input size:38-65mm
Capacity: 13-70t/h
Raymond Mill
Input size:20-30mm
Capacity: 0.8-9.5t/h
Sand powder vertical mill
Input size:30-55mm
Capacity: 30-900t/h
LUM series superfine vertical roller grinding mill
Input size:10-20mm
Capacity: 5-18t/h
MW Micro Powder Mill
Input size:≤20mm
Capacity: 0.5-12t/h
LM Vertical Slag Mill
Input size:38-65mm
Capacity: 7-100t/h
LM Vertical Coal Mill
Input size:≤50mm
Capacity: 5-100t/h
TGM Trapezium Mill
Input size:25-40mm
Capacity: 3-36t/h
MB5X Pendulum Roller Grinding Mill
Input size:25-55mm
Capacity: 4-100t/h
Straight-Through Centrifugal Mill
Input size:30-40mm
Capacity: 15-45t/h
Dexing quicklime ore rock Pusch coefficient
The giant Dexing porphyry Cu–Mo–Au deposit in east China:
2013年5月29日 Our new data, combined with previous data, suggest that the felsic Dexing magmas were derived by partial melting of a thickened juvenile lower crust, triggered by invasion of contemporaneous mafic melts under a transformational regime2016年12月1日 Oreforming fluids of Dexing deposit contain significant amounts of CO 2 Homogenization temperature variations for high saline inclusions were interpreted High Nature and evolution of the oreforming fluids in the giant Dexing 1981年1月1日 Consideration of geochemical changes during wallrock alteration together with paragenetic associations of the elements of various rocks and minerals in the Dexing deposit Mechanisms of ore Formation and Primary Dispersion at the 2015年6月1日 The Dexing orerelated porphyries likely have high oxygen fugacity, based on the occurrence of abundant sulfate (eg, anhydrite and barite) in the deep ore zone (Zhu et al, The link between subductionmodified lithosphere and the giant
Hydrothermal Alteration and Mineralization of Middle Jurassic
2007年11月6日 It is the largest porphyry copper deposit in China, consisting of three porphyry copper orebodies of Zhushahong, Tongchang and Fujiawu from northwest to southeast It 2023年2月7日 In the process of mining graphite mine, rock mass is often subjected to dynamic loads such as blasting or mechanical crushing, which involves dynamic responses of different Dynamic response characteristics and damage rule of graphite ore 2014年8月14日 Dexing is dominated by porphyry Cu–Au–Mo ores hosted by porphyritic rocks whereas Yinshan comprises epithermal Pb–Zn–Ag veins and coeval volcanic rocks We here Cooling and exhumation of the midJurassic porphyry copper 2016年12月1日 Dexing copper deposit,known for rich gold,is the most typical continental porphyry deposit in the east of China Based on systematic field observation of whole ore body Nature and evolution of the oreforming fluids in the giant Dexing
Porphyry Cu–Au–Mo–epithermal Ag–Pb–Zn–distal hydrothermal
2011年12月1日 Dexing is a typical porphyry Cu–Au–Mo deposit in which both oreforming fluid and metals are derived from the granite porphyry The Yinshan deposit consists of a porphyry 2022年12月28日 In this paper, we describe three types of biotite in the Dexing porphyry Cu deposit, and report new dataset of F, Cl and trace elements composition of rocks, texture and Textural and compositional variation of mica from the Dexing 2020年2月15日 Mine water inrush was one of the main challenges in deep mining The analysis and study of the key factors affecting mine water inrush was an important part of the prevention and control of water inrush accidents for underwater mining Based on the theory of cellular automata, a spacetime dynamic evolution model with square grid cell space and Mohr cell Permeability Coefficient of Rock Mass in Underwater Mining2022年8月2日 In order to better measure the resistance coefficient of simulated ore bin, a set of experimental system was built, as shown in Fig 2The size of the experimental tank is 25 m × 12 m × 18 m Experimental research and analysis on the resistance Nature
Origin of the Dexing Cubearing porphyries, SE China
2012年4月1日 The Dexing porphyry copper deposit, part of the circumPacific porphyry copper ore belt, is the largest porphyry copper deposit in China We present new LA–ICP–MS zircon U–Pb and molybdenite 2011年12月1日 Request PDF Porphyry CuAuMoepithermal AgPbZndistal hydrothermal Au deposits in the Dexing area, Jiangxi province, East ChinaA linked ore system Based on previous studies and detailed Porphyry CuAuMoepithermal AgPbZndistal ResearchGate2015年12月10日 In addition, the roughness coefficients of rock joints are tested by homemade pushpull shear apparatus and experimental data are further analyzedAn experimental study of size effect of roughness coefficient on rock 2001年2月1日 Request PDF Oreforming fluid constraints on illite crystallinity (IC) at Dexing porphyry copper deposit, Jiangxi Province Illite, a distinctive kind of clay minerals of potassium alteration Oreforming fluid constraints on illite crystallinity (IC) at Dexing
Technological assessment of a miningwaste dump at the Dexing
2008年12月1日 For instance, the chalcopyrite ore from the Kennecott Utah Copper operation in North America is a lowgrade ore with about 05% Cu content (Plumb et al, 2008a), while the average grade of the 2013年5月29日 The Dexing porphyry Cu–Mo–Au deposit in east China (1,168 Mt at 045 % Cu) is located in the interior of the South China Craton (SCC), made up of two lithospheric blocks, the Yangtze and Cathaysia blocks The Cu–Mo–Au mineralization is associated with midJurassic granodioritic porphyries with three highlevel intrusive centers, controlled by a series of The giant Dexing porphyry Cu–Mo–Au deposit in east China: 2022年2月2日 The slope stability has already become one of the most important factors directly related to the safety production and development of a mine, which is principally controlled by the properties of geological discontinuities of slope, such as bedding planes, faults, cleavage and joints In this study, a new approach for the evaluation of slope stability in large openpit mines Case study: Yangtaowu Slope at Dexing Copper Mine, China2023年12月14日 The penetration coefficient can represent the relationship between force and depth in the rock drilling process, but its understanding is limited Therefore, based on the rock drilling theory with a hydraulic breaking hammer, a mathematical model of the penetration coefficient is established in this paper, and the main influencing factors of the penetration Research on the Penetration Coefficient During the Rock Drilling
Optimization of Microwave Presplitting Iron Ore to Improve
2023年11月30日 Optimizing the microwave parameters adopted in microwaveassisted mechanical mining is of great significance to improving the efficiency of the deep resource development The effects of varying the type of microwave antenna, microwave power, and working distance on the reflection coefficient and heating characteristics of Sishanling iron ore 2022年1月1日 Both the oreforming geological characteristics and the geochemical behaviour in the oreforming process of the China's silver deposits related with volcanic rock were investigated and statedContribution of mafic magma and surrounding wall 2017年6月1日 The Dexing copper mine is the largest open pit copper mines in Asia, with mining and beneficiation history stretching back more than half a century; consequently it has large amounts of ore tailingsGeochemical and mineralogical characterization of The mined ore rock is crushed and milled to extract and concentrate the valuable material and valueless materials are left after The volume of tailings generally exceeds the volume of valuable Values of Coefficient of Consolidation (Cv) Download Table
Relationship of coefficient of restitution and damping coefficient of rock
2020年12月16日 When rock travels through an ore pass, it falls, hits other rock materials, and ore passes walls It is essential to understand the material flow and rock particle interactions in an ore pass to avoid hangups and accidents involving rock flow Part of that understanding is to comprehend how rock reacts when it collides with other particles and other materials It is as the pore fluid, hence the Skempton’s coefficient for rock can be significantly smaller than one A number of experimental studies, eg [2, 1013], suggests that B is decreasing with the effective stress and could be as low as 03 for sandstones, even at full saturation fSaturation of Porous Rock and Measurement of the B coefficient2022年2月24日 Calculation model for ventilation friction resistance coefficient by surrounding rock roughness distribution characteristics of mine tunnelCalculation model for ventilation friction resistance coefficient by 2022年1月25日 In recent years, the discrete element method (DEM) has been widely used to study the factors affecting the repose angle and calibrate particle parameters for simulations In this paper, DEM is used to study the effects of the coefficient of rolling and static friction of pellet, sinter and coke particles on the repose angle By comparison of the results of simulations and Numerical Analysis of the Relationship between Friction Coefficient
Alternative Method for Assessing the Roughness Coefficients of Rock
2015年9月30日 One of the geotechnical methods for determining the roughness coefficients of rock joints is on the basis of the visual comparison of the joint surfaces with the standard twodimensional profiles 2020年12月1日 The Zhuxi WCu skarn deposit is located in the Jiangnan porphyryskarn tungsten ore belt, where several superlarge tungsten deposits are distributed (Mao et al, 2017; Fig 1)The Zhuxi WCu deposit (344 Mt at 054% WO 3 and 01 Mt at 057% Cu; Xu and Lu, 2017) is similar to the MacTung (33 Mt at 088% WO 3) and the CanTung (38 Mt at 097% The effect of magma differentiation and degassing on ore metal PDF On Jun 24, 2013, Roman Makhnenko and others published Saturation of porous rock and measurement of B coefficient Find, read and cite all the research you need on ResearchGateSaturation of porous rock and measurement of B 2015年6月1日 The Dexing orerelated porphyries were emplaced during the Middle Jurassic (ca 170 Ma), and were characterized by highMg adakitic geochemical features, including high MgO and Sr contents and high Mg#, Sr/Y and La N /Yb N ratios, low Y and Yb contents, and lacking a negative Eu anomaly, which suggest that they were probably derived from the delaminated The link between subductionmodified lithosphere and the giant Dexing
[PDF] Porphyry Cu–Au–Mo–epithermal Ag–Pb–Zn–distal
DOI: 101016/JOREGEOREV201108005 Corpus ID: ; Porphyry Cu–Au–Mo–epithermal Ag–Pb–Zn–distal hydrothermal Au deposits in the Dexing area, Jiangxi province, East China—A linked ore system20–40° There is no obvious dividing line between the ore and the surrounding rock, and the main orebearing rocks include granodiorite, porphyry, and phyllite The rock can be divided into three categories according to the classification of blasting Class I has a rock hardness coefficient f=10–12,dense,hard,Rock Fragmentation Size Distribution Prediction and Blasting 2023年1月19日 Wet granulation plays an important role in the processing of fine ore powder Water content is a critical process parameter that determines the granule properties during wet granulationOptimum Water Content Estimation for Wet Granulation of Iron Ore 2024年8月3日 22 Schemes of physical draw tests The results of our previous study showed that for a single coarse particle, a coarse–fine particle size ratio d c /d f above 60 could significantly affect the IMZ shape []This study aims to investigate the flow characteristics of caved ore and rock in the presence of multiple coarse particles while keeping conditions such as Flow characteristics of caved ore and rock under the influence of
Dynamic response characteristics and damage rule of graphite ore rock
2023年2月7日 where \(\sigma{I} \left( t \right)\), \(\sigma{R} \left( t \right)\), \({ }\sigma{T} \left( t \right)\) are the incident stress, reflection stress and transmission 2016年12月30日 Joint roughness has a critical role in the deformation behavior of discontinuous rock masses Several subjective (visual comparison) and quantitative (statistical and fractal) approaches have been proposed for estimating rock joint roughness coefficient (JRC) Using a large collection of 223 published joint profiles, this study investigates variability of the JRC Uncertainties in estimating the roughness coefficient of rock 2024年2月27日 To understand the hangup characteristics of caved ore and rock in caving mining under different macro factors, and to provide better guidance for drawpoint layout design and hangup frequency prediction, numerical tests were conducted on an isolated draw model to investigate the influence of particle size, friction property, and overburden stress based on a Numerical Study of the Influence of Multiple Parameters on Hang 2015年10月17日 Request PDF Nature and evolution of the oreforming fluids in the giant Dexing porphyry Cu–Mo–Au deposit, Southeastern China Dexing porphyry CuMoAu deposit, one of the largest copper Nature and evolution of the oreforming fluids in the giant Dexing
Optimization of ring blasting in sublevel stoping
2018年12月31日 As the blast area is far from town, pit slope, important buildings or other constructions, the fragmentation quality of ore rock is the major criterion; if the blast area is near community or pit 2014年10月1日 The Dexing porphyry copper and Yinshan polymetallic deposits in Dexing City, southeastern China are both giant porphyry ore systems Located 15 km apart, they formed synchronously and share a (PDF) Cooling and exhumation of the midJurassic 2008年4月1日 Request PDF A coefficient of restitution of rock materials At a macroscopic scale, even a purely elastic contact between rock particles is accompanied by energy dissipation The resulting A coefficient of restitution of rock materials Request PDF2018年11月12日 PDF In this work, the quicklime (CaO) was produced from the thermal decomposition of the limestone (CaCO3) using a lab kiln at 700, 900 and 1100 °C Find, read and cite all the research you (PDF) Characterization of quicklime as raw material to hydrated
A new approach for quantifying the twodimensional joint
2021年7月21日 The joint roughness coefficient (JRC) is the key factor in predicting the peak shear strength of a rock joint In this paper, we present a new approach for quantitatively calculating the JRC of twodimensional rock joints First, the two dimensionless indexes of cumulative relative relief amplitude (CRRA) and weighted average gradient (WAG) are defined Download scientific diagram Measured coefficients of permeability of rock mass (k m ) plotted against the associated values of rock quality designation (RQD) and total core recovery (TCR) from Measured coefficients of permeability of rock mass (k m ) 2022年1月25日 Heavy metals and As (HMs) pollution in mining areas are a widespread environmental concern In this study, ground water, surface water, and sediment samples around the Dexing area, one of the largest Cupolymetallic ore clusters in China, were collected to examine the concentrations and distributions of As, Cd, Cr, Cu, Hg, Pb, and Zn Pollution Heavy Metals and As in Ground Water, Surface Water, and MDPI2024年5月22日 The scale of Protodiakonov – is the scale of the rock strength coefficient It developed in the early 20th century by Protodyakonov MM The scale is one of the first rocks classifications It is based on measuring the labor intensity of rocks destruction during mining The higher coefficient of ore strength means ore is difficult to grindThe scale of Protodiakonov Energosteel Grinding Media Ball
Research on the size effect of roughness on rock uniaxial
The joint roughness has an influence on the uniaxial compressive strength (UCS) and characteristic strength of the rock, but the relationship of the influence is yet to be obtained In this article, the influence of the size of the rock with rough joints on the UCS and the influence of the size effect of roughness on the UCS are studied by establishing 11 sets of numerical The Dexing porphyry copper field in Jiangxi, China, bornite, chalcocite andelectrum The ore reserves at Tongchang are 1 168 Mt@ 0446% Cu (52 Mt of contained Cu), 001% Mo and 019g/t Au (215 t of contained Au) supporting China's largest opencut copper mine resulting in further waterrock interactionsDexing Porphyry Copper Deposits in Jiangxi, China GeoKniga