Stripping ratioWikipedia

In surface mining, stripping ratio or strip ratio refers to the amount of waste (or overburden) that must be removed to release a given ore quantity. It is a number or ratio that express how much waste is mined per unit of ore. The units of a stripping ratio can vary between mine types. For example, in coal mining the stripping ratio is commonly referred to as volume/weight.

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In coal mining: Choosing a mining method.calculated with the aid of stripping ratios, which represent the amount of waste material that must be removed to extract a given amount of coal. Stripping ratios can also consider the selling price of coal, and a certain minimum profit can be added to the total cost of producing and…. Read More.

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A strip ratio, or stripping ratio, is an important measurement related to the open-pit mining process. It represents the amount of waste material, also known as overburden, that must be moved in,

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The stripping ratio method of calculating the profitability of the mining procedure is commonly used in the ore or coal mining process. In relation to its application in the mining of ore, the utility of the stripping ratio is the determination of the approximate ratio of waste material that must be moved in order to reach a certain ratio of ore. As can be seen, when the ratio of unwanted,

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Stripping ratio mining Britannica. In coal mining: Choosing a mining method calculated with the aid of stripping ratios, which represent the amount of waste material that must be removed to extract a . Inquire Now; Topic 5: Mining Methods-Part I-Surface mining . Terrace mining. 1.3. Strip (flat terrain) mining. 1.4. Contour strip (hilly terrain) mining. 2 February 2016 Prof. Dr. H.Z,

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Books such as “Elements of Practical Coal Mining” and SME’s “Surface Mining” were specifically referenced Stripping Ratio as a Fundamental • Ability to surface mine depends on the value of the ore being high enough to offset the cost of Overburden Removal – Stripping Ratio determines relative amounts of each to be moved • If coal generates a $5/ton earning and overburden costs,

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A strip ratio, or stripping ratio, is an important measurement related to the open-pit mining process. It represents the amount of waste material, also known as overburden, that must be moved in order to extract a given amount of ore. Ore quality is another consideration in stripping ratios.

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Stripping Ratios, Pit Limits & Cutoff Grade Optimization. Download. Related Papers. Optimum cut-off grade policy for open pit mining operations through net present value algorithm considering metal price and cost escalation. By Raul Cezar. Maximizing the net present value by applying an optimal cut-off grade for long-term planning of the copper open pits . By Daniel Krzanovic. Optimal,

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The maximum allowable Stripping Ratio (SR max) defines break even stripping ratio (BESR).This represents the highest possible units of waste that can be handled. If the SR exceeds the BESR then the operation will be uneconomical as the income generated by the ore is insufficient to offset the costs incurred in mining.

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2021-01-30· A strip ratio, or stripping ratio, is an important measurement related to the open-pit mining process. It represents the amount of waste material, also known as overburden, that must be moved in order to extract a given amount of ore. Ore quality is another consideration in stripping ratios.

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2010-06-06· a. SR measures the amount of waste that needs to be removed to get an amount of ore, just as we mine it. Note the “amount”! b. This will differ depending on time span under consideration. * Initial studies (feasibility) – overall stripping ratio. * Current month – incremental stripping ratio.

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Other articles where Stripping ratio is discussed: coal mining: Choosing a mining method:calculated with the aid of stripping ratios, which represent the amount of waste material that must be removed to extract a given amount of coal. Stripping ratios can also consider the selling price of coal, and a certain minimum profit can be added to the total cost of producing and…

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Standard stripping ratiothe ratio of “overbudern (OB) to be removed” to “the mineral to be produced” during the whole project life. Suppose in an opencast mine, 20 lakh CuM OB will be removed during the life time (suppose 15 years) against the production of 10 lakh Te of coal, the standard stripping ratio will be 2.1

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Feb 21 2021 the stripping ratio method of calculating the profitability of the mining procedure is commonly used in the ore or coal mining process in relation to its application in the mining of ore the utility of the stripping ratio is the determination of the approximate ratio of waste material that must be moved in order to reach a certain ratio of . Pros And Cons Of Strip Mining. Feb 25,

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Stripping ratio mining Britannica Other articles where Stripping ratio is discussed: coal mining: Choosing a mining method: calculated with the aid of stripping ratios, which represent the amount of waste material that must be removed to extract a given amount of coal Stripping ratios can also consider the selling price of coal, and a certain minimum profit can be added to the total cost of,

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2016-04-04· The maximum allowable Stripping Ratio (SR max) defines break even stripping ratio (BESR).This represents the highest possible units of waste that can be handled. If the SR exceeds the BESR then the operation will be uneconomical as the income generated by the ore is insufficient to offset the costs incurred in mining.

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Stripping Ratio In Coal Mining. 12 Stripping ratio of the Herrin Coal, Shawneetown Quadrangle . miningthroughout the state while the effects of other factors, such as roads, aredependent on Allsman, P.T., and P.F. Yopes, 1973, Open-Pit and Strip-Mining Systems and Get Quote Untitled. With regard to the stripping of coal and other products using draglines, describe. We provide a large number of,

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The stripping ratio in a mine is chosen based on economics. A high grade orebody can support a high stripping ratio. A low grade ore body cannot support a high stripping ratio. Thus you may have a,

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Contour surface mining takes advantage of the low strip ratio coal reserves adjacent to the outcrop. Contour mining equipment includes a drill, loader, bulldozers, and trucks. The steps in contour mining begin with drilling and blasting a triangle shaped portion of overburden (in cross section) above the coal to be mined. The fractured overburden is then loaded into rubber-tired trucks. The,

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The stripping ratio method of calculating the profitability of the mining procedure is commonly used in the ore or coal mining process. Opencast Mining an overview ScienceDirect Topics The open pit exposes the orebody from the surface by separate removal of ore and associated waste rocks.

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What Is Stripping Ratio Coal Mining. stripping ratio coal mining comp . Jul 25, 2018· In mining, stripping ratio or strip ratio refers to the ratio of the volume of overburden (or waste material) required to be handled in order to extract some tonnage of ore. For example, a 3:1 stripping ratio means that mining

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Feb 21 2021 the stripping ratio method of calculating the profitability of the mining procedure is commonly used in the ore or coal mining process in relation to its application in the mining of ore the utility of the stripping ratio is the determination of the approximate ratio of waste material that must be moved in order to reach a certain ratio of . Pros And Cons Of Strip Mining. Feb 25,

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Stripping Ratio In Coal Mining. 12 Stripping ratio of the Herrin Coal, Shawneetown Quadrangle . miningthroughout the state while the effects of other factors, such as roads, aredependent on Allsman, P.T., and P.F. Yopes, 1973, Open-Pit and Strip-Mining Systems and Get Quote Untitled. With regard to the stripping of coal and other products using draglines, describe. We provide a large number of,

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Stripping ratio mining Britannica Other articles where Stripping ratio is discussed: coal mining: Choosing a mining method: calculated with the aid of stripping ratios, which represent the amount of waste material that must be removed to extract a given amount of coal Stripping ratios can also consider the selling price of coal, and a certain minimum profit can be added to the total cost of,

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formular for calculating strip ratio in mining. Stripping Ratio Mineral Production Activities . 6 Stripping ratio The main factor in designing a n open pit mine, which largely determines the cost of mining, is the stripping ratio Stripping is the removal of waste rock from above and around the orebody Stripping ratio is defined as the tonnage of waste rock to be mined, divided by the tonnage,

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effect of stripping ratio in coal mining Solution for. Average stripping ratio operations 9.60 7.40 10.20 7.24 Pacific Coal Resources Ltd. is a Canadian-based mining company focused on coal, coking coal Coal mining , the free encyclopedia. Strip mining exposes the coal by removing the reaches a predetermined stripping ratio (tons of overburden,

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It can be a little different in open cut coal miningstrip mining, in particular. They use a ratio of cubic metres (yards or feet) to a tonne of coal. Strip mining is a volume (of waste) management problem hence the focus in the stripping ratio. level 1. 2 points · 13 days ago. You've got the concept right (i.e. it is a ratio of waste to ore) but I'd note that, in an ideal world the units,

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6. Stripping ratio . The main factor in designing a n open pit mine, which largely determines the cost of mining, is the stripping ratio.. Stripping is the removal of waste rock from above and around the orebody. Stripping ratio is defined as the tonnage of waste rock to be mined, divided by the tonnage of ore to be mined from the pit.

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A new method to confirm the economic and reasonable stripping ratio of surface coal mine 【Author】 Song Ziling TongWei Ma Yundong College of Resources and Environmental Engineering, Liaoning Technology University, Fuxin city in Liaoning province 123000 【Abstract】 Economic rationality is currently open pit stripping ratio is well calculated by comparing the cost of industrial,

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