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Wits School of Mining Engineering & Gold Fields …
Multiple point simulation for reducing uncertainty in ore body modelling by Isaac Mabala A project to assess opportunities to facilitate cost-effective communications right to the mining face, to complete the "connected …
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Uncertainty Quantification in Mineral Resource Estimation
The uncertainty causes overestimation or underestimation of mineral deposit quality and/or quantity, affecting the anticipated value of a mining project. Therefore, uncertainty is assessed to ...
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Top 5 Geophysical Surveys in Mining Geology | Rangefront
Modern mining projects increasingly rely on integrated geophysical data to enhance exploration success. Advanced modeling and visualization tools enable geologists to combine datasets from multiple techniques, improving accuracy and reducing uncertainty. Example: 3D Modeling
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Uncertainty reduction with Hyperparameter Optimization in …
1 1 Uncertainty reduction with Hyperparameter 2 Optimization in mineral prospectivity mapping: A 3 Regularized Artificial Neural Network approach 4 Mirakbar Seyedhamzeh1, Abbas Maghsoudi1,2, and Reza Ghezelbash,3 Mahsa Hajihosseinlou1 5 Abstract 6 Mineral prospecting mapping (MPM) is necessary for uncovering potential areas for resource 7 exploration and …
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Mining Indaba: US Protectionism Adds Uncertainty in Global Mining
The global mining industry is grappling with uncertainty as the United States' protectionist trade measures cast a shadow over investment decisions. At the recent Investing in African Mining Indaba in Cape Town, Richard Horrocks-Taylor, Standard Chartered Bank's global head for metals and mining. He warned that these policies could delay critical projects needed …
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Three-Dimensional Mineral Potential Mapping for Reducing
This study focuses on the selection of a method combining simulations of mineralizing processes with three-dimensional (3D) mapping to quantitatively predict locations of concealed mineralization and to reduce uncertainty and multiplicity. The simulation of ore-forming processes for concealed mineralization requires the assessment of a region's structural …
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Uncertainty and Value: Optimising Geometallurgical Performance …
To maximise the value of a mining operation and minimise its environmental and social impacts, all processes—from the ore deposit to the final product and waste streams—should be …
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Reducing uncertainty in mineral flotation—flotation rate constant
Reducing uncertainty in mineral flotation—flotation rate constant prediction for particles in an operating plant ore. ... The mining and mineral processing industries need water in all of their operations, from exploration, through mining and processing to closure. Flotation is the most affected by the quality of the process water in all of ...
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Existing environmental management approaches relevant to deep-sea mining
Deep-sea mining is planned to occur in areas that are generally poorly known, especially with regard to their ecology and sensitivities [7]. This leads to great uncertainty in the estimation of impacts [14] and hence for establishing management activities. Managers and regulators need ways to address and reduce this uncertainty.
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(PDF) Optimizing mining complexes with multiple processing and
A mining complex is a type of value chain whereby raw materials (minerals) extracted from various mineral deposits are transformed into a set of sellable products, using the available processing streams. The supply of materials extracted from a group of mines represents a major source of uncertainty in mining operations and mineral value chains.
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Technology – The hottest commodity in the mining & metals sector
Improving the quality of data analysis can accelerate the project development process by reducing uncertainty between drilling campaigns used to assess the viability of an orebody for a mine. ... South32 and Pilbara Minerals, will be key to helping the mining sector meet rising demand for critical minerals. Additionally, the impact of digital ...
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Deep Reinforcement Learning based real-time open-pit mining …
In this paper, only equipment fleet performance uncertainty is incorporated. Mineral grade uncertainty is another major source of uncertainty that greatly impacts the performance of mining assets in the expected economic returns and the reliability of achieving mineral production targets, as detailed by Jélvez et al., (2020).
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Bill Gates-backed KoBold Metals is the Silicon Valley's
February 22, 2025 | 12:47 pm Ukraine, US still ironing out parts of minerals pact. The draft agreement proposed by the Trump administration currently has some questionable elements, Bloomberg ...
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Tips to Reduce Uncertainty in Mineral Processing
Quality control is a vital practice for minimizing uncertainty in mineral processing, by ensuring that your measurements, data, models, and processes are reliable, accurate, and consistent.
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Reducing Uncertainty in Mineralization Boundary by Optimally …
Reduction in uncertainty at the boundaries of ore deposits plays a critical role in mining projects. Such reductions can be made by choosing an appropriate objective function and using a suitable ...
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How Australia, with friends, can secure its place in critical minerals
The US, through the Defense Production Act, can prioritise domestic mining, refining and processing of key materials for defence and high-tech industries, reducing reliance on imports from potentially hostile nations. In 2024 Australia was designated as a domestic source for funding, showing the potential for deeper collaboration and greater ...
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Understanding Geologic Uncertainty in Mining Studies
Editor's note: The Geology and Mining series, edited by Dan Wood and Jeffrey Hedenquist, is designed to introduce early-career professionals and students to a variety of topics in mineral exploration, development, and mining, in order to provide insight into the many ways in which geoscientists contribute to the mineral industry.
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CRITICAL MINERALS AND THE GREEN TRANSITION
land-based mining, nor would it selectively eliminate ... characterised by a high degree of uncertainty. Battery technologies are developing rapidly, which ... and recycling could reduce cumulative mineral demand by 58% between 2022 and 2050 compared to a business as usual scenario, with recycled cobalt, nickel and ...
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The role of geophysics in enhancing mine planning decision …
It relies on traditional, low-cost geophysics methods to lower geological uncertainty of small mineral deposits to allow for efficient strategic (long-term), tactical (medium-term) and …
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Reducing Uncertainty in Mineralization Boundary by …
mining projects, the number of initial drill holes is limited; thus, the estimated geological block model and grade values are tainted with uncertainty. Such problems can be solved by drilling additional drill holes to reduce uncertainty (Scheck and Chou 1983; Soltani et al. 2011a). Reduction in uncertainty of the
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(PDF) Three-Dimensional Mineral Potential Mapping for Reducing
Three-Dimensional Mineral Potential Mapping for Reducing Multiplicity and Uncertainty: Kaerqueka Polymetallic Deposit, QingHai Province, China August 2019 Natural Resources Research 29(7)
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Incorporating conceptual and interpretation uncertainty to mineral
Prospectivity analyses are used to reduce the exploration search space for locating areas prospective for mineral deposits. The scale of a study and the type of mineral system …
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The role of geophysics in enhancing mine planning decision …
for mineral exploration, small-scale mining frequently operates at a high level of geological uncertainty. However, geological knowledge is a major factor for success in mining. Abichequer et al. [9] state that ... deposits and has played an important role in reducing geological uncertainty in mining. Haile & Atsbaha [17] comment that ...
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(PDF) Errors and Uncertainty in Mineral Resource and Ore …
Errors and Uncertainty in Mineral Resource and Ore Reserve Estimation: The Importance of Getting it Right January 2002 Exploration and Mining Geology 11(1-4):77-98
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Geometallurgy—A Route to More Resilient Mine Operations
Geometallurgy is an important addition to any evaluation project or mining operation. As an integrated approach, it establishes 3D models which enable the optimisation of net present value and effective orebody management, while minimising technical and operational risk to ultimately provide more resilient operations. Critically, through spatial identification of …
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Strategies to Overcome the Mineral Supply Gap – MiningWorld
Sustainable mining practices focus on minimizing environmental impact while ensuring economic viability. Key strategies include: Efficient Resource Use: Implementing …
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Reducing exploration risk by data-driven uncertainty …
The most sustainable mine is the one that should not have been mined because of lack of sufficient resources. Mining exploration and appraisal heavily relies in geological, geophysical and geochemical analysis, but is subject to considerable uncertainty. In that context, mineral prospectivity mapping (MPM) is particularly important for exploring undiscovered mineral …
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Sustainable integration of mineral resources, low carbon transition
To achieve sustainable development, it is essential to implement more responsible mining practices, enhance energy efficiency, and invest in technologies that reduce environmental harm. This paper is an academic arrangement to examine and compare the impacts of ferrous metal production, carbon footprint, and economic resilience—using economic ...
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Simultaneous stochastic optimization of an open pit gold …
while reducing the number of a-priori decisions to be made. This approach generates ... mining selectivity, stepwise local optimization of value chain components, and failure to account for ... of attributes of interest (Goovaerts 1997). Uncertainty in mineral deposits is incorporated into the optimiz-ation process by stochastic optimization ...
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Sustainable Mining: Reducing Environmental Impact …
One of the main approaches adopted for sustainable mining is waste generation reduction. It is achieved through better ore processing techniques that increase the percentage recovery. Thus, small quantities of …
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