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202351 · Mining activities generate vast amounts of waste rock (WR); if this waste is sulphide- and sulphosalt-bearing, it can pose a risk to ecosystems due to contaminated mine drainage. Strategic long-term planning is necessary to prevent and mitigate adverse environmental impacts.
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202334 · The lead–zinc mine Bleiberg-Kreuth located in the Austrian federal state of Carinthia has had a long mining history, spanning from the early 14th century to the 1990s. The mining and processing activities undertaken over the centuries and, consequently, the composition of the waste rock material changed throughout this period. Today, the focus …
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20211227 · The waste-rock pile of interest to the present study, referred to as the Main and Intermediate waste-rock dumps, contains 145 million tonnes of sulfide- and carbonate-rich waste rock covering a land surface area of 1.1 km 2 with maximum height of 90–100 m (see the 3D geometry Figure S2a in the Supporting Information S1).
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2022413 · The mine site was declared a federal Superfund site in 2011. Nathan Burton. Environmental remediation efforts are ramping up at the site of the Chevron Questa Mine, which closed permanently in 2014 after nearly 100 years of underground and surface molybdenum mining. Chevron purchased the Questa Mine in 2005 when it acquired the …
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Conference program. Mine Waste and Tailings 2023 will explore the latest developments in all aspects of life cycle waste rock and tailings management, from site selection and design to post-closure care. The mining industry now accepts that the majority of the world’s future minerals will come from low-grade, high-tonnage, ultra-mechanised ...
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202419 · ABSTRACT. In deep backfilling coal mines, granular waste rocks face complex stress and water environments after being backfilled in the goaf. To characterize the compression deformation and seepage of granular waste rock backfill materials in the deep goaf, a fluid-structure interaction (FSI) test system for granular waste rocks was …
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2024315 · Extractive waste (EW), including tailings, is produced in large quantities during mining activities. In recent years, the linear economic model (“take-use-and-throw” approach) has been replaced by a circular approach, emphasizing the sustainable use and recovery of EW. The development of innovative protocols, such as Best Available …
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AllMinings 2 months ago 054 mins. A waste dump is a designated area where the unusable or economically unviable materials extracted during the mining process are deposited and stored. These materials, often referred to as mine waste or tailings, may include rocks, soils, and other by-products that do not contain valuable minerals or are present ...
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· Mining waste is one of the largest waste streams in the EU. It can contain large quantities of dangerous substances. Mining waste comes from extracting and processing mineral resources. It includes materials such as topsoil overburden (which are removed to gain access to mineral resources), and waste rock and tailings (after the …
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2022111 · 1. Introduction. Large volumes of waste rock are produced during mining activities, and are commonly disposed of in large piles that can exceed hundreds of meters in height and several square kilometers in area [[1], [2], [3], [4]].The particle size distribution (PSD) of waste rock is widely graded ranging from clayey particles to cobbles, boulders …
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