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Determining stripping ratio basic mining techniques,apr 04, 2016 calculate the besr. besr 7.5. 0.29 0.3 is the maximum allowable stripping ratio for break even. this mean the income generated by one unit of 0.6% graded copper is able to offset the cost of units waste at no profit

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Stripping Ratio Calculation In Mining

  • Determining Stripping Ratio Basic Mining Techniques

    apr 04, 2016 calculate the besr. besr 7.5. 0.29 0.3 is the maximum allowable stripping ratio for break even. this mean the income generated by one unit of 0.6% graded copper is able to offset the cost of units waste at no profit

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  • Stripping Ratio Calculation In Mining

    stripping ratio wikipedia. In mining, stripping ratio or strip ratio refers to the ratio of the volume of overburden required to be handled in order to extract some tonnage of ore.for example, a stripping ratio means that mining one tonne of ore will require mining

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  • Stripping Ratio Calculation In Mining Sians Karaoke

    the calculation of coal reserves volume is using two values of stripping ratio which is SR and SR the calculation area of coal reserves volume is divided by out of boundary from dominance mining of PT multi prima universal from calculation result get total calculation of coal reserves volume with SR is equal to 046 626 tons with

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  • Tv Bip Ratio Explained The Economics Of Oil Sands Mining

    apr 30, 2016 the strip ratio is the simplest measure of mining efficiency. defined as the weight of overburden divided by the weight of oil sands ore, a strip ratio of is considered high but feasible if the ore grade is high enough. better measure of mining economics is the tv:bip ratio.

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  • Averaging The Operating Stripping Ratio For Sinking Mining

    this site uses cookies. By continuing to use this site you agree to our use of cookies. To find out more, see our privacy and cookies policy. close this notification

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  • Surface Mining Planning And Design Of Open Pit Mining

    jan 09, 2016 vii) stripping ratio the ratio is most commonly expressed as: strip ratio is the mass of waste to be mined to obtain one unit mass of ore. waste SR ----- ore for example, a stripping ratio means that mining one cubic meter of ore will require mining three cubic meters of waste rock.

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  • Mining Production Activities Extractives Hub

    pre-stripping is included in calculation of stripping ratio. rock, both ore and waste, close to surface, may be softer than in other parts of the pit, especially if it is oxidized. soft rock may be amenable to mining by ripping and dozing with a bulldozer instead of drilling & blasting.

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  • Basic Mining Techniques

    feb 25, 2020 alluvial mining avoca cash flow cut-off-grade downloads dredging gold incremental cut off grade instantaneous stripping ratio jorc codes logic mill cut off grade mine ventilation mineral resources authority mining mining economics mining engineering mining in png mining method net present value open pit mining ore grade ore

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  • Stripping Ratio In Coal Mining Tower Grinding Parameters

    stripping ratio mineral production activities 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 stripping ratio is influenced by the shape of the orebody and may vary considerably during the life of the mine except in rare cases, it increases with depth of the orebody below surface the unit cost of mining may increase

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  • Mining Terms Kau

    strip mining quarry mining placer mining some examples for underground mining important terms for surface mining stripping ratio: is the ratio of a unit of waste material removed per similar unit of ore material removed. toe: is the base of a bank bench or a slope.

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  • Calculating Ultimate Pit Limits And Determining Pushbacks

    the mining operations cut-off grade is 0.20%, and the stripping ratio is 1.9. fig. shows the calculation for the optimal ultimate pit in the area called cerro colorado, with an area of 2.5 1.1 km and a maximum depth of 300

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  • Surface Mining Methods Ilo Encyclopaedia

    stripping ratios of up to are not uncommon in large mining operations. ratios above tend to be less economically viable, depending on the commodity. once removed, overburden can be used for road and tailings construction or may have non-mining commercial value as fill dirt. mining

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  • Productivity In Mining Operations Reversing The Downward

    may 01, 2015 physical mining output is measured as total material moved, so that the mpi performance is not affected by changes in ore grade, stripping ratio, or the price of the commodity. We have developed an extensive data set to conduct analyses using the mpi. It covers mines across all major mining geographies, commodities, and mining players.

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  • Understanding Iron Ores And Mining Of Iron Ore Ispatguru

    apr 03, 2015 stripping ratios increase with the quality of the ore being mined and cost factors related to beneficiation and transportation. the economic stripping ratio varies widely from mine to mine, depending upon a number of factors. In the case of direct shipping ores, it may be as high as or In the case of low grade ore a stripping ratio

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  • Open Pit Mining Xinhai Mining Mining Engineering

    calculate the economic reasonable stripping ratio according to the techno-economic indicator for open pit mining, and then determine the boundary stripping ratio based on the principles of boundary delineation. the boundary stripping ratio is usually between and smaller values should be chosen if the mine is small, and vice

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  • Block Method Of Strip Mining

    mar 28, 2019 the only shortcoming with this calculation is that overburden removal costs are not constant, but vary with the size of the job and the equipment. the calculated break-even strip ratios are. block method 16.7 yd ton of coal; conventional 15.2 yd ton of coal; the actual stripping ratio is 9.0 yd ton in both cases.

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  • In Coal Mining What Is A Good Strip Ratio Prominer

    the units of a stripping ratio can vary between mine types. for example, in coal mining the stripping ratio is commonly referred to as volumeweight. whereas in metal mining, stripping ratio is unitless and is expressed as weightweight. stripping ratio can be expressed as a ratio or as a number. wikipedia & 183; cc-by-sa

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  • Surface Mining Techniques Used In The Oil Sands Oil

    may 01, 2016 the strip ratio is the simplest measure of mining efficiency. strip ratio is the fraction of overburden versus the weight of bitumen-rich oil sands. strip ratio of is considered high but feasible if the ore grade is high enough. better measure of mining economics is the tv:bip ratio. tv:bip is defined as the total

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  • Lecture 4 Mining Waste

    the ratio between waste rock and ore production is called the stripping ratio. for example, a stripping ratio of means that tonnes of waste rock needs to be mined to mine tonne of ore. generally, an open pit mine has a higher stripping ratio than an underground mine. waste rock is often stored close to the mine to minimize transports.

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  • What Is Stripping Ratio Coal Mining Crusher

    what is stripping ratio coal mining, mining strip ratio sharesguru quarry equipment. rock crusher.mining strip ratio sharesguru australian shares forum, the strip ratio is the number of cubic metres of dirt and rock you need to remove to obtain a every tonne of ore (usually coal when it is mined with draglines or.

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  • Analysis Of Highwall Mining Stability The Effect Of

    knowledge and practice in highwall mining hwm has become a widely-applied method in surface mining, commonly used alone or in conjunction with contour or slot mining. It provides 800-feet to 1,200-feet of additional recovery when the economic stripping ratio is reached in contour mining or in slot mining when surface

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  • Cdc Mining Analysis Of Highwall Mining Stability The

    jan 03, 2002 highwall mining has become a widely applied method in surface mining. It is commonly used alone or in conjunction with contour or slot mining. It provides 800 to 1,200 ft of additional recovery when, in contour mining, the economic stripping ratio is reached or, in slot mining, when surface access to a reserve is limited.

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  • Evaluation Of Bord And Pillar Mining System In

    coal etc the growing needs have been pushing the limits, to which the mining industry has to reach to lift itself to fulfill the demand. the effect can be seen from the methods of mining that have evolved over the years. one of the oldest methods of mining is the bord and pillar. It is a method in

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  • Effect Of Stripping Ratio In Coal Mining

    stripping ratio calculation In mining protable plant. stripping ratio calculation in mining-related effect of stripping ratio in coal mining strip mining is a type of surface mining which involves read more. calculating stripping ratios for area strip mines mnge 315

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  • What Is Open Pit Mining With Picture Info Bloom

    feb 21, 2021 the stripping ratio in open-pit mining is important because the profitability of that particular mining venture hinges on the ability of the company to gain more from the extraction process than what it expends in order to obtain access to the material.

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  • Financial Modelling Of Stockpiles In A Mining Project

    the mining schedule is a summary of the physical aspects of the mining process and is usually provided by the engineers. At its most basic level it should contain ore mined and the corresponding ore grade for each type of ore. you would also find either strip ratio or the waste mined in here as well.

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  • Topic 5 Mining Methods Part I Surface Mining

    nov 02, 2011 topic mining methods-part i-surface mining topic mining methods part i-surface mining hassan harraz hharrayahoo.com 2010- 2011 prof. dr. h.z. harraz presentation this material is intended for use in lectures, presentations and as handouts to students, and is provided in power point format so as to allow customization for the individual needs of course

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  • 1 4 Stripping Ratio Surface Mining Mining

    after going through this lecture you will be able to list and define stripping ratios calculate various stripping ratios for given situations explain the influence of stripping ratios on planning decisions assess the most economic method of mineability of a deposit by surface mining or underground mining from the limiting stripping ratio

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  • Economic Surface Mining Of Multiple Seams

    economic surface mining of multiple seams By thomas falkie :md wllliam portert synopsis xeological and mining conditions become more complex, and as overall mining economics become more marginal, short-and long-range decision-making regarding muiliple-scam surface mining becomes more difficult.

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  • Stripping Ratio In Gypsum Mining Me Mining Machinery

    In mining, stripping ratio or strip ratio refers to the ratio of the volume of overburden required to be handled in order to extract some tonnage of ore.for example, a stripping ratio means that mining one tonne of ore will require mining three tonnes of waste rock.

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  • How To Profit From Low Grade Gold Mines Mining Com

    dec 23, 2018 the strip ratio is calculated by dividing the thickness of the overburden by ore thickness. eg. if the overburden is thick and the ore is the strip ratio is

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  • Key Financial Ratios To Analyze The Mining Industry

    may 08, 2020 the mining industry is one of the oldest established industrial operations. mining has been critical to the development of major countries, such as the u.s canada, and australia. the entire

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  • Strip Ratio English To Spanish Mining Amp Minerals Gems

    may 20, 2012 strip ratio of x:y, this site uses cookies. some of these cookies are essential to the operation of the site, while others help to improve your experience by providing insights into how the site is being used.

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  • Karara Iron Ore Mine Mining Technology Mining News And

    the mine will have a 0.1 waste to ore stripping ratio. trial mining project was carried out in december 2010 based on the karara south and karara east dso deposits. the karara east was bought into production in the same month. first shipment of hematite from the mine occurred in march 2011. the first commercial shipment of of hematite

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