Results 1 to 10 of about 52 (42)

Comprehensive evaluation method of stope stability and its application in deep metal mine. [PDF]

open access: yesPLoS ONE, 2023
The problem of high stress conditions is a critical challenge for mining activity in deep metal mines, and the difficulty and economic cost of maintaining stope stability also increases.
Zhaojun Qi   +7 more
doaj   +2 more sources

Decision-making model for production and operation of underground gold mines considering low-carbon condition [PDF]

open access: yesScientific Reports
Within the framework of a low-carbon transition and integrated mineral resource exploitation, this study presents an innovative system dynamics (SD) model designed to optimize decision-making and enhance profitability in underground gold mining ...
Jie Hou   +4 more
doaj   +2 more sources

The green value chain model of mining company based on zero carbon emissions [PDF]

open access: yesScientific Reports
In the context of the global promotion of net zero emissions, the mining industry is confronted with a substantial transformation. This paper focuses on the value system that has undergone changes following the low-carbon transformation of mines as the ...
Chunchao Fan   +6 more
doaj   +2 more sources

The Mineralogy Characteristics of Overflow Product from Hydrocyclone in the Jiaojia Gold Mine

open access: yesYankuang ceshi, 2014
The capacity of ore treatment reached 12,000 t/d and gold recovery achieved 92% in the Jiaojia Gold Mine. Broken product has been washed with double spiral classifier, and the ore slime yield was 7%.
HU Hai-xiang   +5 more
doaj   +3 more sources

Mesoscopic Seepage Simulation and Analysis of Unclassified Tailings Pores Based on 3D Reconstruction Technology [PDF]

open access: yesACS Omega, 2021
Baomeng Chang   +7 more
doaj   +2 more sources

Mechanism of Water-Conducting Fractured Zone in Jiaojia Gold Mine With Deep Mining Based on Constitutive Model [PDF]

open access: yes, 2021
Abstract The deep resources of the gold mines have great potential to be the leading area of the national gold industry. However, with the increase of mining depth in Jiaojia gold mine of Shandong province, China, the overburden stress is increasing, the spatial and temporal distribution of mining stress field is more complex to cause spatial ...
Chuming Pang, Ying Wang, Longqing Shi
openaire   +2 more sources

The Sustainable Development Path of the Gold Exploration and Mining of the Sanshan Island-Jiaojia Belt in Laizhou Bay: A DID-SVAR Approach [PDF]

open access: yesSustainability, 2021
Gold is a vital strategic resource, and it plays an irreplaceable role in maintaining national financial security, enhancing currency guarantee capabilities, and serving as a country’s last means of payment. Gold plays an essential role in several fields that are vital to sustainable development. In 2020, an ultra-large-scale gold deposit spanning land
Sheng Zhang   +5 more
openaire   +1 more source

Gold occurrence of Jiaojia gold mine in Shandong province

open access: yesTransactions of Nonferrous Metals Society of China, 2011
Abstract The microscopy and scanning electronic microscopy (SEM) were used to study the gold occurrence of Jiaojia gold mine, Shandong province. The results show that the gold-bearing minerals are composed of pyrite, chalcopyrite, gangue, sphalerite and galena. 77.12% of gold minerals are the sulphides and 22.88% are the gangues.
Hong-ying YANG   +4 more
  +4 more sources

Study on the Optimization of Filling Ratio and Strength Variation Characteristics of Cemented Backfills Containing Fly Ash

open access: yesFrontiers in Materials, 2021
The fly ash for underground filling can effectively utilize solid waste, improve the strength of the backfill, and reduce the cost, thus creating good social and economic benefits.
Baomeng Chang   +5 more
doaj   +1 more source

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