alternative ore mining methods

    • Paper: An alternative mining method at the Kvannevann …

      Because of the last year''s increase of production due to the demand for iron ore, Rana Gruber AS investigated methods to increase the mining capacity and resources. This resulted in an evaluation of alternative mining methods. The investigation resulted in …

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    • Green Mining

      2012-12-11 · In situ mining (see mining solution page) can be more environmentally friendly than underground mining and is cheaper than many mining methods (Ulmer-Scholle, 2008). However, in situ mining cannot be implemented in all cases as the ore …

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    • A Guide to the Four Main Methods of Mining

      2019-10-8 · More specifically, mining is used to extract non-renewable resources like fossil fuels, minerals and even water. There are four main methods of mining: underground, surface, placer and in-situ. The type of mining method used depends on …

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    • Mining Methods 101: How the Metals We Need Are …

      2016-7-6 · Every mine is site-specific, however, with unique conditions requiring unique considerations. Over the years, improved techniques have steered operators away from simple blast mining to safer and more reliable methods, such as longwall mining, as How Stuff Works explains. Here, rather than drilling through an ore deposit, a longwall machine ...

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    • 3. Reviewing a Typical EIA for a Mining Project

      2019-2-4 · method preferred by the mining company is the least environmentally-damaging practical alternative. 3.2.1.3 Alternative methods of tailings disposal Mine tailings are a high-volume waste that often contain toxic substances in high concentrations. There are three main alternatives for the disposal of tailings: (1) use of a wet tailings impoundment

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    • Surface Mining Methods and Equipment

      2020-8-25 · appropriate mining method is selected based on technical, economic, and environmentally accountable considerations. The first step in selecting the most appropriate mining method is to compare the economic efficiency of extraction of the deposit by surface and underground mining methods . This section reviews surface mining methods and ...

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    • Equipment Selection for Surface Mining: A Review

      2013-7-19 · as iron, copper, coal and gold. There are several methods of surface mining, including open-pit, stripping, dredging and mountain-top removal. This paper focuses on open-pit surface mining, which involves removing ore from a large hole in the ground (sometimes referred to as a borrow-pit). 1

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    • Vertical Pit Mining

      The concept of vertical pit mining has been developed as an alternative mining method for the exploitation from surface of small, vertical or near-vertical, massive orebodies down to depths of some 200 m, where ore extraction from conventional open pit excavations is rendered uneconomic due to high associated waste:ore mining ratio. Systematic lateral support maintains vertical pit sides ...

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    • Biological methods of metal extraction

      2020-7-26 · For example, high-grade copper ores, which contain a high percentage of copper, are becoming harder to find and mine. There are some alternative methods to …

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    • Paper: An alternative mining method at the Kvannevann …

      Because of the last year''s increase of production due to the demand for iron ore, Rana Gruber AS investigated methods to increase the mining capacity and resources. This resulted in an evaluation of alternative mining methods…

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    • Stoping Mining Methods

      2017-4-3 · Block caving is employed principally for mining low-grade ores where the inevitable loss of some ore and some dilution with capping and wall rock are permissible and where mining must be done on a large scale and at a lower cost than can be obtained by the use of supported-stope or other selective mining methods.

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    • An alternative mining method at the Kvannevann Mine ...

      focused on the investigation of alternative mining methods in order to increase the production and lower the mining costs with the overall aim of maintaining long term mining of iron ore in the area. A project group with both internal and international participants was put together to carry out the task. From

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    • Alternative data mining/machine learning methods for the ...

      Alternative data mining/machine learning methods for the analytical evaluation of food quality and authenticity - A review Food Res Int . 2019 Aug;122:25-39. doi: 10.1016/j.foodres.2019.03.063.

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    • Newmont Corporation

      Alternative Ore Processing. We use alternative gold recovery methods in some processing plants to accommodate different ore characteristics or other requirements. For example, ore that has a high level of sulfide minerals or carbon (or both) is called refractory ore.

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    • Vertical Pit Mining

      Types of Mining Methods | Sell Side Handbook

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    • 5 Ways to Make Mining More Sustainable

      2021-10-11 · Solution mining includes both borehole mining, such as the methods used to extrac t sodium chloride or sulfur, and leaching, either through drillholes or in dumps …

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    • The Four Main Methods of Mining

      2019-12-4 · Strip mining is done only when the ore body is in close proximity to the surface. Open-pit mining – Open-pit mining is the method in which minerals or rocks are extracted from the Earth via an open pit or borrow. Mountaintop removal mining – Mountaintop removal mining (MTR) is done by mining coal seams underneath mountaintops.

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    • Guidebook for Evaluating Mining Project EIAs

      2019-2-4 · 3. REVIEWING A TYPICAL EIA FOR A MINING PROJECT 25 3.1 Evaluating the Executive Summary 25 3.2 Evaluating the Project Description 26 3.2.1 Project alternatives 26 3.2.1.1 Alternative siting of mine facilities 26 3.2.1.2 Alternative ore beneficiation methods 26 3.2.1.3 Alternative methods of tailings disposal 29

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    • What are the main methods of mining? | American ...

      2021-10-31 · There are four main mining methods: underground, open surface (pit), placer, and in-situ mining. Underground mines are more expensive and are often used to reach deeper deposits. Surface mines are typically used for more shallow and less valuable deposits. Placer mining …

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    • ANCIENT MINING

      2017-6-26 · The other methods are to mine it in excavated shafts or to look for it in the debris of undermined mountains." [XXXIII 66; Humphrey, et al., hereafter SB, p. 187] The least difficult was surface mining, where the ore was available at the surface either in …

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    • Open Pit Mining Techniques|Surface Mines|Rock or …

      2021-7-15 · Open Pit Mining. Open-pit mining, also known as opencast mining, open-cut mining, and strip mining, means a process of digging out rock or minerals from the earth by their elimination from an open pit or borrow. The word is used to distinguish this type of mining from extractive methods that need tunneling into the earth.

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    • Types of Mining Methods | Sell Side Handbook

      2018-3-11 · Shrinkage stoping is an overhand mining method that is used for self-supporting vertical ore bodies. In this method, ore is mined in horizontal slices, starting from the bottom to the top of the stope. The broken ore is left in the mined-out stope and serves as a support to the stope walls and a working platform for mining the ore …

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    • Mining types and methods

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    • In situ recovery, an alternative to conventional methods ...

      2019-7-30 · In situ recovery, an alternative to conventional methods of mining: Exploration, resource estimation, environmental issues, project evaluation and economics Maxim Seredkina, Alexander Zabolotskya,b, Graham Jeffressa a CSA Global, Level 2, 3 Ord Street, West Perth, WA 6005, Australia b Auriant Mining, Building 154, 29, Vereyskaya Street, Moscow 121357, Russian Federation

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    • mining

      mining - mining - Underground mining: When any ore body lies a considerable distance below the surface, the amount of waste that has to be removed in order to uncover the ore through surface mining becomes prohibitive, and underground techniques must be considered. Counting against underground mining …

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    • 10 Different Types of Mining Operations and Mines – …

      2021-1-12 · A method of short-hole mining, cut-and-fill mining is used in irregular or steeply dipping ore zones, especially where the hanging wall limits the use of long-held methods. The ore is mined either in slightly inclined or horizontal slices then it is filled …

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    • Open Pit Mining

      Strip mining is the process of mining a seam of mineral by removing a long strip of overlying soil and rock. Strip mining is a practical type of mining when the ore body that is to be extracted is near the surface. Open-pit mining is the process of extracting rock or minerals from the earth through their removal from an open pit or borrow.

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