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Coal mine backfilling mining technology has developed rapidly in recent years. Composite backfilling technology, which integrates two single backfilling methods, is an approach that achieves multiple engineering objectives, including improved backfil...
This study investigated the influence of high-energy milling and leaching conditions on copper extraction from an industrial copper concentrate obtained from the Balkhash copper smelter. The concentrate was subjected to high-energy milling in a plane...
This research examines transforming contaminated mining waste into mineralogically stable material using density separation and high-temperature settling. Samples with elevated metal concentrations were collected from century-old landfill sites, sepa...
The global mining sector is evolving rapidly, making it increasingly important to monitor its activities and associated emissions in support of sustainable development. In this paper, we use nitrogen oxide (NOx) emissions derived from satellite obser...
Calcined iron ore production is of strategic importance; however, it is associated with considerable environmental burdens due to its high carbon footprint. In this study, the environmental impacts of calcined iron ore production were evaluated using...
Fuzzy-based methods have become increasingly relevant in rock engineering because of their ability to represent uncertainty, imprecision, and gradual transitions inherent in geological and geotechnical information. This study presents a comprehensive...
This study analyses the impact of mining activities on water scarcity in two contrasting mining regions: Zaragoza, Colombia, and Qabatiya, Palestine. Despite significant climatic and hydrological differences, both regions face substantial pressures o...
Roadway surrounding rock stability under high in-situ stress is a core challenge in mining geomechanics. This paper presents an empirical and analytical study on the temporal-spatial evolution of acoustic emission (AE) during fracture of raw coal spe...
Small borrow pits in agricultural landscapes are difficult to monitor because exposed mining surfaces resemble bare cropland, extraction is intermittent, and production records are often limited. This study characterized borrow materials in Indramayu...
Regional classification of dominant discontinuity sets supports open-pit slope characterization, but dip direction is circular and should not be analyzed as a linear variable. We reanalyzed 73 area-level records from 72 nominal survey areas at the Da...
Prior estimation of the distance at which detonation pressure reaches a critical threshold is relevant for defining borehole separations and reducing the risk of damage to electronic detonators in underground mining. Empirical attenuation relationshi...
Convolutional neural networks (CNNs) have shown considerable potential for mineral prospectivity mapping (MPM); however, their predictive performance largely depends on appropriate hyperparameter optimization. In practice, hyperparameters are commonl...
The transition to battery electric vehicles (BEVs) in underground mining offers an opportunity to eliminate direct combustion emissions and optimize ventilation, but it introduces new challenges for emergency management and operational safety. This s...
Tailings ponds associated with the beneficiation of low-grade sulphide ores are a recognized source of acid mine drainage (AMD) and heavy metal contamination in receiving watercourses. This study assesses the physicochemical quality of process water...
Poland is the largest hard coal producer in the European Union. Changes observed during the energy transition, undertaken to slow climate change, is reducing demand for fossil fuels. The restructuring of the hard coal mining industry in Poland is ada...
Rock strength is a key parameter for mine planning and operational optimization, but conventional laboratory testing is costly and provides limited spatial coverage. This study develops a methodology for classifying operational rock-strength classes...
Historical mining districts contain heterogeneous waste accumulations whose spatial distribution and characteristics complicate environmental assessment and rehabilitation planning. This study develops an integrated, unit-based methodology for the ca...
Blast-induced ground vibration is traditionally predicted using empirical scaled-distance equations or numerical simulations driven by simplified analytical loading functions. Although dynamic finite element modeling has significantly advanced the un...
The Al-Risha phosphate resource deposit in northeastern Jordan represents a promising phosphate ore requiring beneficiation to improve its suitability for industrial utilization. This study characterized the physical, chemical, mineralogical, petrogr...
The intensification of ground pressure and instability of surrounding rock in deep mining are the core safety challenges of metal mines. This article takes the first mining area of the Sishanling Iron Mine from 960 m to 1020 m as the object, and base...
Air-cooled tricone bits are widely used on rotary drilling rigs to achieve high production rates in open-pit mines. Their performance and service life are influenced by rock properties, machine characteristics, and operational parameters. Hole flushi...
Feldspar and quartz are essential ceramic raw materials, with feldspar acting as a flux and quartz as a structural filler. Feldspathic sand derived from granitic masses of the eastern Arabian Shield represents a promising local source. This study eva...
Rock-salt mines deform through chamber closure and vertical translation of the surrounding rock mass, yet these responses are commonly evaluated separately. This study integrates underground levelling, convergence monitoring, and mine geometry to ide...
Historical underground workings in the Maleia–Livezeni sector of the Petroșani Coal Basin were reconstructed from four archival mining plans and a coordinate-referenced Drawing Exchange Format (DXF) dataset. Twelve extraction-sector polygo...
The transition from open pit to underground mining is becoming increasingly important as near-surface ore is depleted and mines seek to extend operating life. Yet its environmental and operational effects are often discussed separately. This systemat...
In the subsequent backfilling mining method, the composite structure formed by the ore pillar and the backfill is the key element in ensuring the stability of the working face. Its mechanical behaviour directly affects mining safety and ore recovery...
The mining industry in Ghana, despite its economic significance, continues to grapple with occupational health and safety (OHS) issues, which include but are not limited to high accident rates and a largely reactive approach to safety. In this study,...
The mining industry is facing increasing pressure to improve operational safety, environmental performance, and resource efficiency while adapting to rapid technological change. In this context, the concept of Mining Industry 5.0 is emerging as an ex...
Scientific evaluation of open-pit slope stability under the disturbance of underground goaf is critical to the safe production of open-pit coal mines. Taking an open-pit coal mine in Inner Mongolia as the engineering background, this study investigat...
The strategic landscape governing extractive industries has undergone a profound transformation in the brief interval since the inaugural edition of this Special Issue in 2024 [...]
Mine drainage containing manganese (Mn) and zinc (Zn) poses a major environmental challenge. In Japan, Mn-rich mine drainage frequently exceeds the discharge standards of 10 mg/L for Mn and 2 mg/L for Zn. This study evaluated laboratory-scale continu...
Blast-induced flyrock is one of the most critical hazards in surface mining and quarrying, posing significant risks to occupational safety, nearby structures, and the environment. Accurate prediction of flyrock distance is therefore essential for saf...
The selective separation of chalcopyrite from pyritic ores represents a major industrial challenge due to inadvertent copper activation. This study systematically investigates the batch flotation kinetics of a complex sulfide ore (Draa Sfar North, Mo...
The Ouenza open-pit mine is one of Algeria’s major iron ore producers, where efficient blasting and fragmentation control are essential to maintaining stable, productive mining operations. The primary objective of this study is to quantitativel...
Current geological site assessment models focus on examining stable natural features and neglect measuring surrounding industrial and environmental hazards. This methodological deficiency is clearly evident in the management of technological heritage...
Deep metal mines commonly contain vertically stacked goafs whose geometry and rock mass properties are incompletely documented. This study evaluates a field-constrained screening framework for high-displacement material scenarios at the Lehong Pb-Zn...
Cemented paste backfill (CPB) is widely used in mining, but its high brittleness, low toughness, and limited ductility can cause it to crack and spall, or even damage the overall structure, thereby limiting its application in deep underground mine ex...
Lithium, as a Li-ion battery constituent, is pivotal for the transition to clean energy. Western Australia (WA) has become a global leader in hard-rock lithium mining, realising 10-fold growth from 2010 to 2024 and with royalty receipts to the WA gov...
Numerical modelling is a powerful tool used in geomechanics; however, its reliability depends on proper validation. This study demonstrates the use of intelligent rock bolt measurements to validate the numerical model of underground deformation, prov...
This study investigates the influence of unsteady heat and mass transfer processes on the formation of gas composition and thermal conditions in a large cross-section (132 m2) blind-end chamber of a gypsum mine during the operation of diesel-powered...
Stockpiles and run-of-mine (ROM) pads are critical control points between mine production and processing plant feed. The grade, quality mix, and variability of material delivered to the crusher and mill are largely determined by how these structures...
The mining industry continues to face significant safety challenges, particularly with powered haulage equipment (PHE). PHE incidents account for a substantial percentage of mining-related fatalities, often resulting from vehicle collisions, equipmen...
Lined rock caverns offer a promising option for underground hydrogen, helping to mitigate renewable intermittency and enhance system stability. Considering the geological characteristics of hard rock formations in Southern Ontario, Canada, this study...
To examine the deformation behavior and failure mechanisms of large-scale mine chutes under complex service conditions, we performed multiple C-ALS three-dimensional laser scanning surveys on the 1#, 2# and 3# chutes at an iron mine in Anhui Province...
In the Western Anti-Atlas, the stratiform copper mineralisations of the Tabia Member are distinctly hosted within sedimentary rocks, forming deposits comparable to the sediment-hosted stratabound copper (SSC) type. In Tizert, Ouarmdaz, and Talat n&rs...
Mining-induced subsidence represents one of the most significant long-term geomechanical hazards associated with underground coal exploitation, often continuing for decades after mining activities have ceased. Understanding the persistence and spatia...
Blast-induced ground vibration is a critical environmental hazard in open-pit mining operations, capable of causing severe damage to adjacent structures and infrastructure. Accurately predicting vibration intensity is universally quantified by the pe...
Conventional pavement design methods are generally intended for highways and are not suited to the extreme loading conditions experienced by mining haul roads. This study presents an innovative pavement design for a heavily trafficked phosphate mine...
The increasing global demand for pavement infrastructure has intensified the consumption of non-renewable construction materials, particularly natural aggregates and soils, raising significant environmental and resource sustainability concerns. In re...
Coal ash-slag waste from coal-fired power plants is a high-volume technogenic material whose resource potential is controlled by particle-size heterogeneity, mineralogical composition, and the occurrence modes of valuable elements. This study investi...
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