To analyze the temporal and spatial evolution trends and the differences in land use in different typical mining areas in Inner Mongolia, as well as the evaluation system and driving mechanisms of land use evolution, this study takes the typical open-pit coal mines in Inner Mongolia as the research objects and, based on the Google Earth …
Open-pit mining has caused extensive land destruction, including land abandonment and reduction in agricultural land, resulting in serious environmental …
A large number of burnt rocks in some open-pit mines in Xinjiang, Inner Mongolia and Ningxia have a great influence on the blasting effect. For this kind of rock, through the analysis of physical ...
The geological structure of the Changshanhao open-pit mine in Urad Middle Banner, Inner Mongolia, China is extremely complicated, and slope instability has …
A good example of this developed when empirical and analytical modelling of the potential inflow to an open pit mine in the Durvuljin soum, a region in northwest Mongolia, indicated that inflow would be on the order of 0.3 …
The Bayan Khundii gold project will be developed as a conventional open-pit mining operation with a strip ratio of 10.9, targeting 650,000t per year of feed …
DOI: 10.1016/j.jconhyd.2024.104420 Corpus ID: 272361633; Hydrogeochemical evolution patterns of diverse water bodies in mining area driven by large-scale open-pit combined underground mining …
Mongolian Mining Corporation ("MMC" or the "Company"; SEHK Stock Code: 975) is a high-quality coking coal producer and exporter in Mongolia. The Company owns and operates two open-pit coking coal mines - Ukhaa Khudag and Baruun Naran, both located in Umnugobi aimag of Mongolia.
Open pit mining method is one of the surface mining methods that has a traditional cone-shaped excavation and is usually employed to exploit a near-surface, nonselective and low-grade zones deposits. It often results in high productivity and requires large capital investments, low operating costs, and good safety conditions. The main …
The limestone production scheduling for an open pit mine can be described as determining the order in which 'blocks' should be extracted to achieve a specific goal, while taking into account a range of …
1. Introduction. Mining provides important raw materials for national economic development and the progress of human civilization and is a mainstay industry of many countries and regions [].Moreover, open-pit mining is generally preferred in mining operations due to its applicability in all operable areas of exposed rock, minimum …
The excavated soil was expected to be used to backfill an open pit of an exhausted limestone quarry ... Almost all post-exploitation open-pit mines in the world are generally shaped as a final ...
The Oyu Tolgoi copper mine in Mongolia is a world-class open pit mine and underground project. More than 80% of Oyu Tolgoi's total value lies deep underground. ... 2 The 500ktpa target (stated as recovered metal) for the Oyu Tolgoi underground and open pit mines is underpinned 17 per cent by Proved Ore Reserves and 83 per cent by …
The mineral industry of Mongolia is oriented toward exports and thus is expected to remain sensitive to world markets. in the short term, Mongolia's mining activity is expected to …
Open-pit mining is an important form of coal mining in China, and its damage to the ecological environment is particularly obvious in alpine regions. ... is located on the western slope of the southern section of the Greater Khingan Mountains in central and eastern Inner Mongolia, ... Ecological Restoration Effect Evaluation of Dalian …
which increase the vulnerability of mining environments to soil erosion and pollution. The Baganuur Coal Mine was first excavated as an open-pit mine in 1978. It is one of the largest coal mines in Mongolia, covering about 60 km2, and supplies mostly to the power plants in Ulaanbaatar, the capital city of Mongolia. The Baganuur Coal Mine ...
Such destabilizing events include the large landslides at the limestone open-pit mine in Panzhihua in June 1981 (Wang and Tian 1999), at the Antaibao open-pit coal mine in October 1991 (He et al. 2008) and at the Betze-Post open-pit mine in May 2005 (Rose and Hungr 2007), all of which caused serious economic losses and casualties …
In 2023, EMC contributed a substantial 2.0 trillion MNT to state and local budgets, underscoring our significant role in the economic fabric of Mongolia. Recultivation EMC is the first mine in Mongolia which has been implementing ISO 14001: 2004 since 2007
Safe mining depth constitutes the key to the open-pit mine development, it is significant to research the safe mining depth. First, According to the field geological investigation and geophysical exploration, the existing landslides were summarized and analyzed to obtain the potential destabilization and failure modes in mine, which laid the …
1 School of Mines, China University of Mining and Technology, Xuzhou, China; 2 Key Laboratory of Coal Resources and Safe Mining, Xuzhou, China; 3 China Railway Resources Sunite Left Banner Manglai Mining Co. Ltd., Inner Mongolia, China; A clear understanding of landslide mechanisms and stability analyses is of great …
1. Introduction. Mining is necessary for the production of energy and materials that drive the world's economy (Hund et al., 2013).One major consequence of mining is biodiversity loss (Sonter et al., 2018) and land degradation, particularly in tropical regions (Sonter et al., 2017), where mining for coal, limestone, precious metals, and …
As the province most abundant in mineral resources in China, Inner Mongolia has more than 200 open-pit coal mines. The coal mining activities seriously hinder the sustainable use of regional land and the …
The Haerwusu Surface Coal Mine (HSCM) is located in the south of Inner Mongolia, China, with a coal output of more than 30 Mt/a. Particulate matter (PM) is released by the mining operations in the open-pit mine range from exploration to the processing of end, and constitutes the primary pollutant (Vaupel et al. 2016).Dominantly, …
DOI: 10.3390/su12010248 Corpus ID: 210966822; Environmental Sustainability of Open-Pit Coal Mining Practices at Baganuur, Mongolia @article{Park2019EnvironmentalSO, title={Environmental Sustainability of Open-Pit Coal Mining Practices at Baganuur, Mongolia}, author={Jonghoon Park and Eunhye Kwon …
This study extends microbial mineralization technology to open-pit limestone mines. To enhance the efficiency of MICP dust suppressant, a highly efficient glycerol-microbial dust suppressant has been studied, and the effectiveness of MICP in curing road dust in limestone mines has been analysed from both macro- and microscopic …
Landslides are a commonly occurring hazard in open-pit mines. Despite extensive research on this phenomenon, there is still a lack of understanding of the mechanism involved in landslides in open-pit mines in certain geologic settings. To reveal the mechanisms of multiple landslides in large open-pit mines, the geological …
presented [8–15], however, there is a lack of studies on limestone mine scheduling [1]. In contrast to metallic ores, long -term production planning for limestone mines aims to provide the cement plant with a balanced combination of raw materials [1]. Aims to produce long-term in addition, the planning technique used by limestone mines …
The study site is an open-pit limestone mine (Ssangyong Resources Development Co., Ltd.) located in Donghae City, Gangwon Province, Korea. It covers a surface area of 9.58 km 2 and currently produces limestone for cement production at the rate of 1.4 million ton/year from three open-pits. Of the three pits, depletion has caused …
15 years of highlights . Delivering a first in Mongolia's history – constructing the boxcut and developing the conveyor to surface decline project at the Oyu Tolgoi (OT) copper and gold project – including twin tunnels expanding over 14.6 kms at a gradient of 18 percent to a depth of 1,300 meters. Everyone safe everyday – 240 employees …
Limestone; Marble; Molybdenum; Silver; Uranium; Phosphate; Open-pit Mining Operations. Open-pit mines are dug on benches that are between four and sixty-meters in size, depending on the size of machinery used to excavate. The walls of most open-pit mines are dug at an angle and include steps to prevent avalanches from occurring …
Boroo River. The Boroo River crosses the gold mining area and is an important water supply for agriculture. The Boroo Gold Mine is an open pit gold mine located approximately 120 km northwest of the capital city of UB in Selenge province in northern Mongolia (Batbayar et al., 2019). Illegal small-scale mining also occurs in this …
In recent years, many open-pit mines in China have gradually progressed into large mining depths and steep slope mining. Rock mass instability increases with increasing mining depth and slop angle, which can cause geologic disasters such as landslides (Yang et al. 2012), seriously threatening the safety of mine workers and …
The collapse of open-pit coal mine slopes is a kind of severe geological hazard that may cause resource waste, economic loss, and casualties. On 22 February 2023, a large-scale collapse occurred at the Xinjing Open-Pit Mine in Inner Mongolia, China, leading to the loss of 53 lives. Thus, monitoring of the slope stability is important …
Therefore, the underground mining of limestone is the best sustainable method of mining limestone in the future. Recall that limestone is a mineral of low value found near the Earth's surface. Its current production in India is through surface mines using either opencast (stripping and hill mining) or open-pit mining methods.
The Xinjing Open-Pit Coal Mine landslide is situated in the southern region of Helan Mountain (Fig. 1a). This region under experienced aulacogen deposition from the middle-late Proterozoic and to early Paleozoic periods, with the reactivation of ancient faults and rift development in the late Paleozoic, and reverse thrusting and folding uplift since …
Numerical groundwater simulations of a complex limestone formation quarry in northern Spain enabled problems there to be quantified. A conceptual model of the aquifer, based on extensive in situ field work and information analysis was developed using MODFLOW. Steady state simulations as well as a first transient simulation were …
