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 …
قرأ أكثر
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 …
قرأ أكثر
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 …
قرأ أكثر
Erdene Resource Development has initiated full construction at the Bayan Khundii Gold Project, a high-grade, open-pit gold mine in south-western Mongolia. This follows a strategic alliance agreement (SAA) with MMC to develop the Khundii Minerals District, signed on 10 January 2023. Go deeper with GlobalData.
قرأ أكثر
37 landslide in open-pit mines (Tarolli and Sofia 2016; López-Vinielles et al., 2020) (as shown in Fig1). ... 110 largest lignite reserves in Eastern of Inner Mongolia Autonomous Region with an ...
قرأ أكثر
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 …
قرأ أكثر
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 …
قرأ أكثر
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 …
قرأ أكثر
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 …
قرأ أكثر
Unlocking the desert: Mining in Mongolia. Mongolia is the centre of the greatest resource boom in years, despite its remote and isolated location. Elisabeth Fischer profiles some of the technologies that open up the wilderness, ease exploration and are able to cope with the challenges of mining in the desert.
قرأ أكثر
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 …
قرأ أكثر
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
قرأ أكثر
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 …
قرأ أكثر
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 …
قرأ أكثر
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 …
قرأ أكثر
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 …
قرأ أكثر
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 …
قرأ أكثر
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 …
قرأ أكثر
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 …
قرأ أكثر
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 …
قرأ أكثر
Parleys Canyon may soon be home to an open-pit limestone quarry, according to a proposal filed with Utah mining regulators this month. A recently formed LLC called Tree Farm proposes using ...
قرأ أكثر
The Manglai open-pit coal mine is located in the northern part of the Inner Mongolia Plateau, as shown in Figure 6A–C. Its northern side consists of a low mountain …
قرأ أكثر
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 …
قرأ أكثر
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 …
قرأ أكثر
Ministry of Mineral Resources and Energy of Mongolia, Erdenes MGL and State Grid Corporation of China are planning an integrated project that comprises a large mine …
قرأ أكثر
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 ...
قرأ أكثر
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 …
قرأ أكثر
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 ...
قرأ أكثر