HOME→Evaluation report of deep phosphate mine in the east wing of Yangshui mining area, Kaiyang County, Guizhou Province
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Evaluation report of deep phosphate mine in the east wing of Yangshui mining area, Kaiyang County, Guizhou Province
Revealing ecological restoration process and disturbances of
2024年1月1日 The objectives of this study are to (ⅰ) establish a multiindex evaluation system and determine the degree of ecological restoration in MCAs, (ⅰⅰ) analyze the disturbance 2023年10月12日 There are three primary mining methods for phosphate ore in China: openpit mining, openpit deep concave mining, and underground mining Numerous scholars have conducted comprehensive research on these methodsOptimization of mining methods for deep orebody of 2022年12月22日 In this study, the rockburst propensity of the roof and floor of this deepmining phosphate mine was determined based on indoor experimental results combined with various Evaluation of Rock Burst Propensity and Rock Burst Mechanism in 2015年12月1日 As an unprecedented trial, evaluation index system for Green Mine (phosphate) is presented Special evaluation case studies are available and findings reflect a common Analysis for Green Mine (phosphate) performance of China: An
Origins of the Ediacaran Doushantuo HighGrade Primary
We identified highgrade primary phosphorites in the Kaiyang area and undertook a stratigraphic, petrological, sedimentological, geochemical, and isotopic study of these rocks Moving up 2023年10月1日 On the basis of our 20 years of practical experience on ecological restoration in mining areas, review and synthesis of selective literature, with interpretation and perspective, A systematic review and comprehensive analysis on ecological 2022年12月22日 Therefore, to solve this problem, this study takes the phosphate mining area of the Sujiapo phosphate mine as the main research object, and combines the characteristics of Evaluation of Rock Burst Propensity and Rock Burst Mechanism in 2021年9月2日 This study added mineral species and mining types into the factor layers and built an improved evaluation system to accurately evaluate the impact of mines on the eco Ecoenvironmental assessment model of the mining area in
Environmental impacts caused by phosphate mining and
2014年5月8日 By recruiting native plant species to the mine site and planting a forest imitating a natural mixed forest, the mine area was successfully revegetated This paper presents the 2022年11月10日 Kaiyang landslides in southwest China have brought heavy damages to lives and properties due to years of underground phosphate mining However, affected by karst Monitoring spatiotemporal evolution of Kaiyang landslides 2021年3月22日 In order to explore the effective method for the comprehensive evaluation of ecological environment quality of environmental pollution governance in China’s coal mining areas, based on the review of domestic and foreign research literature and the requirements and actual situation of environmental pollution control in China’s coal mining areas, this paper Comprehensive evaluation of ecological environment quality of mining 2023年10月13日 Introduction: Taking Yunnan Phosphate Group Co, Ltd Kunyang Phosphate Mine No 2 as the engineering background, this study aims to explore mining methods for deep ore bodies in phosphorus mines(PDF) Optimization of mining methods for deep
Exploration and Improvement of Fuzzy Evaluation Model for
2024年2月28日 21 Fuzzy Comprehensive Evaluation Method Fuzzy comprehensive evaluation [] is a major application of fuzzy mathematics in evaluation issues, providing a new method for dealing with various uncertainties, ambiguities, and nonlinear problems that are difficult to solve using traditional mathematical methodsPrevious studies have shown that the fuzzy evaluation 2017年7月1日 A total no of 16 mine water (underground and opencast coal mine pump discharges) samples were collected from East Bokaro coalfield during premonsoon, monsoon and postmonsoon seasons(PDF) Assessment of Mine Water Quality Using Heavy Metal Pollution Phosphate Resource Area Southeast Idaho June 2022 Southeast Idaho is one of the world’s major phosphate producing regions Phosphate mining has been an important industry in the area since the early 20th century In 2020, phosphate mining and manufacturing directly contributed an estimated 1,367 industry jobs, $1381 million in payroll andAttached is a copy of the 2022 updated overview factsheet for phosphate 2022年8月18日 Roof fall in phosphate mines seriously endangers the safety of the mining activity In this paper, the risk of roof fall occurring in phosphate mines is evaluated using the underground phosphate Evaluating the Risk of Roof Fall in Phosphate Mines
Optimization of mining methods for deep orebody of large phosphate
mining area Kunyang Phosphate Mine No 2 is situated southwest of the Dianchi Phosphate Accumulation Zone, adjacent to Kunyang Phosphate Mine (mining areas 1 to4) tothe east (Chenand Han, 2021) It is also located near Xiaojiaying Phosphate Mine to the west and Haikou Phosphate Mine to the north The mine is in Erjie Town, Jinning District2024年3月18日 According to the new regional geological map of Guizhou Province, the typical phosphorite of the Cambrian Gezhongwu Formation is located in southeastern Zhijin County, Guizhou Province (Fig 2)Study on the material source and enrichment mechanism of REE 2022年1月13日 UNCLOS mandates that: ‘The Area and its resources are the common heritage of mankind,’ Footnote 9 and that DSM ‘shall be carried out for the benefit of mankind as a whole’ Footnote 10 The 2%/6% royalty payment regime was designed to: ‘maximise the return to the common heritage of mankind while providing sufficient revenue to motivate the construction An Evaluation of the Payment Regime for Deep Seabed Springer5 Qena region; and 3) The Western Desert on the Abu Tartur Plateau (New Valley area) Fig 4 Satellite image of Egypt illustrating the three main occurrences of theThe Phosphate Mining in Egypt: Geology and Sustainable
Evaluation of mine dewatering and related impacts at a deep
The Kiruna underground iron mine in northern Sweden is expanding to deeper mine levels To continue with mine expansion and continued operation, the mine owner, LuossavaaraKiirunavaara Aktiebolag (LKAB), is required to obtain permits through the Environmental Court in Sweden As part of the permit application, potential impacts to surface water and groundwater 2023年7月25日 Several deficiencies exist in the present evaluation of land reclamation quality in mining areas These include the absence of an established set of evaluation index systems and standard acceptance criteria, as well as the use of traditional sampling techniques, which are costly and in efficiency, and timeconsuming Compared with the traditional sampling survey Quality evaluation of land reclamation in mining area based on 2021年5月1日 This study is grounded in research conducted at the Kunyang Phosphate Mine No 2, a Chinese openpit phosphate mining enterprise owned by the Yunnan Phosphate Group Co, Ltd Due to the small Research progress in the mining technology of the slowly 2004年10月1日 The effluent water produced by the washing process at the AlHisa and AlAbyad phosphate mines in central Jordan was investigated in summer 2002(PDF) Evaluation of the Effluent Water Quality Produced at Phosphate
A systematic review and comprehensive analysis on ecological
2023年10月1日 Ecological restoration of mining areas refers to the restoration of ecological problems such as geological hazards, land damage and vegetation damage caused by mining activities by relying on natural forces or through artificial intervention, so as to stabilize the geological environment, reclaim the damaged land, and restore and improve the ecosystem 2015年12月22日 The Canadian province of Quebec has given Arianne (TSXV: DAN) the goahead to build its $12 billion million Lac à Paul project phosphate rock project in a region best known for its iron ore miningCanada’s Quebec okays $12 billion phosphate mine MININGClay settling areas (CSAs) are byproducts of phosphate mining in peninsular Florida Phosphaterich deposits cover much of peninsular Florida Where mined, the phosphaterich layer averages 34 m in thickness and is buried beneath an overburden layer that is typically 48 m in thicknessHydrology of Clay Settling Areas and Surrounding Landscapes 2022年11月10日 Kaiyang landslides in southwest China have brought heavy damages to lives and properties due to years of underground phosphate mining However, affected by karst geomorphology including dense vegetation, complex topography, few in situ measurements were conducted to investigate the potentially unstable slopes and derive the kinematic process In Monitoring spatiotemporal evolution of Kaiyang landslides
Optimization of mining methods for deep orebody of large phosphate
2023年10月12日 21 Geographical and traffic location of the mining area Kunyang Phosphate Mine No 2 is situated southwest of the Dianchi Phosphate Accumulation Zone, adjacent to Kunyang Phosphate Mine (mining areas 1 to 4) to the east (Chen and Han, 2021) It is also located near Xiaojiaying Phosphate Mine to the west and Haikou Phosphate Mine to the north2015年9月15日 Green Mine has become a common plan of Green Mining in China since 2003 Phosphate mining is noticeably important for agriculture Despite mining technologies made a great progress, resources Analysis for Green Mine (phosphate) performance of China: An evaluation 2024年6月27日 Yichang phosphate mine is located in the second terrace of China, which is a mountain landscape dominated by medium mountains In the area, there are towering mountains, steep mountains, deep ditches and narrow valleys, complex and diverse topographical structures, and great differences in ground heightsAnalysis of the Influence Law of Phosphate Mining in Complex 2024年5月31日 The Kaiyang phosphate mining area in Guizhou, which is located in the central–southern part of the Yangtze Block, hosts one of China’s more significant phosphateenriched strata within the Doushantuo Formation Zircon UPb and FissionTrack Chronology of the
Analysis for Green Mine (phosphate) performance of China: An evaluation
2015年12月1日 As a material supply, mining industry is a foundation for downstream industry, noticeably important for agriculture Phosphate rock is of utmost importance fertilizer material as phosphorus is a cornerstone of food production (Jacob et al, 1933, Scholz et al, 2014)As we all know that phosphorus, extracted from phosphate rock, is an essential and finite resource with 2019年4月13日 Increasing demand for metals caused by global economic growth and exploitation of shallow mineral deposits forces mineral extraction to go deeper A direct consequence of this development is an increase in rock pressurerelated mining problems The role of rock engineering in the design and operation of deep mines is discussed in detail Deep Mining: A Rock Engineering Challengecommon methods for evaluating a mining project Net Present Value (NPV) 2 MINE PROJECT EVALUATION METHODS of cash inflows and the present value of cash 21 Discounted CashFlow analysis outflows NPV analysis is sensitive to the One of the most common methods to evaluate a mining project is the DCF methodMINE PROJECT EVALUATION TECHNIQUES CORE2015年5月5日 DeepSea Tailings Placement (DSTP) from terrestrial mines is one of several largescale industrial activities now taking place in the deep seaEcological impacts of largescale disposal of mining waste in the deep
Evaluation of resource and environmental carrying capacity in
Energy2021年2月18日 Indeed, mining activities are responsible for: (1) deteriorating the landscape by misplacing mine tailings piles all over the mining areas and nearby urban sites, (2) affecting the geochemical Trace metal elements in phosphate rock wastes from the Djebel 2023年7月6日 Southwestern China has the largest geological phosphorusrich mountain in the world, which is seriously degraded by mining activities Understanding the trajectory of soil microbial recovery and (PDF) Trajectories of soil microbial recovery in response to 2024年7月23日 Surface subsidence hazards in mining areas are common geological disasters involving issues such as vegetation degradation and ground collapse during the mining process, which also raise safety concerns To address the accuracy issues of traditional prediction models and study methods for predicting subsidence in openpit mining areas, this study first Prediction of Surface Subsidence in Mining Areas Based on
Comprehensive evaluation of ecological environment quality of mining
2021年3月22日 In order to explore the effective method for the comprehensive evaluation of ecological environment quality of environmental pollution governance in China’s coal mining areas, based on the review of domestic and foreign research literature and the requirements and actual situation of environmental pollution control in China’s coal mining areas, this paper 2023年10月13日 Introduction: Taking Yunnan Phosphate Group Co, Ltd Kunyang Phosphate Mine No 2 as the engineering background, this study aims to explore mining methods for deep ore bodies in phosphorus mines(PDF) Optimization of mining methods for deep 2024年2月28日 21 Fuzzy Comprehensive Evaluation Method Fuzzy comprehensive evaluation [] is a major application of fuzzy mathematics in evaluation issues, providing a new method for dealing with various uncertainties, ambiguities, and nonlinear problems that are difficult to solve using traditional mathematical methodsPrevious studies have shown that the fuzzy evaluation Exploration and Improvement of Fuzzy Evaluation Model for 2017年7月1日 A total no of 16 mine water (underground and opencast coal mine pump discharges) samples were collected from East Bokaro coalfield during premonsoon, monsoon and postmonsoon seasons(PDF) Assessment of Mine Water Quality Using Heavy Metal Pollution
Attached is a copy of the 2022 updated overview factsheet for phosphate
Phosphate Resource Area Southeast Idaho June 2022 Southeast Idaho is one of the world’s major phosphate producing regions Phosphate mining has been an important industry in the area since the early 20th century In 2020, phosphate mining and manufacturing directly contributed an estimated 1,367 industry jobs, $1381 million in payroll and2022年8月18日 Roof fall in phosphate mines seriously endangers the safety of the mining activity In this paper, the risk of roof fall occurring in phosphate mines is evaluated using the underground phosphate Evaluating the Risk of Roof Fall in Phosphate Minesmining area Kunyang Phosphate Mine No 2 is situated southwest of the Dianchi Phosphate Accumulation Zone, adjacent to Kunyang Phosphate Mine (mining areas 1 to4) tothe east (Chenand Han, 2021) It is also located near Xiaojiaying Phosphate Mine to the west and Haikou Phosphate Mine to the north The mine is in Erjie Town, Jinning DistrictOptimization of mining methods for deep orebody of large phosphate 2024年3月18日 According to the new regional geological map of Guizhou Province, the typical phosphorite of the Cambrian Gezhongwu Formation is located in southeastern Zhijin County, Guizhou Province (Fig 2)Study on the material source and enrichment mechanism of REE
An Evaluation of the Payment Regime for Deep Seabed Springer
2022年1月13日 UNCLOS mandates that: ‘The Area and its resources are the common heritage of mankind,’ Footnote 9 and that DSM ‘shall be carried out for the benefit of mankind as a whole’ Footnote 10 The 2%/6% royalty payment regime was designed to: ‘maximise the return to the common heritage of mankind while providing sufficient revenue to motivate the construction 5 Qena region; and 3) The Western Desert on the Abu Tartur Plateau (New Valley area) Fig 4 Satellite image of Egypt illustrating the three main occurrences of theThe Phosphate Mining in Egypt: Geology and Sustainable