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Stripping ratio - Wikipedia, the free encyclopedia 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 volume of

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Mine Plan Justification - Whitehaven Coal upon stripping ratio, depth of coal, coal quality, proximity to infrastructure, environmental concerns, location of OEA's and water management Once the pit shape

Stripping Ratios: What are They and Why are They Important?

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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Stripping Ratio Coal Mining Comp - , break even stripping ratio example for coal mining , , Stripping Ratio Coal Mining Comp Stripping ratio Wikipedia, the free encyclopedia In mining, Inquiry; analisa stripping ratio untuk perencanaan tambang ,

Stripping ratio - Wikipedia

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 one tonne of ore will require mining three tonnes of waste rock

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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 Stripping ratio coal mining comp – Customized services … Stripping ratio coal mining comp

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14 Stripping Ratio Stripping ratio is defined as the ratio of the Overburden/Cover Rock / Waste Rock to the ore body The various stripping ratios that are used in surface mining are the following: 1

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Stripping Ratios, Pit Limits & Cutoff Grade Optimization

CHAPTER 8 Stripping Ratios, Pit Limits & Cutoff Grade Optimization Dr Teuku Andika R Putra USM 2014 Stripping Ratios The stripping ratio (SR) refers to the amount of waste that must be removed for a given quantity of ore in open pit mining

Stripping Ratio Considerations | Mining | Reference Range

CUTOFF STRIPPING RATIO The cutoff stripping ratio is the one for which the costs of mining the ore and waste are matched by the revenue from that block of ore Factors used to determine costs should include the added costs of mining as the pit deepens and the …

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Stripping Ratios, Pit Limits & Cutoff Grade Optimization

CHAPTER 8 Stripping Ratios, Pit Limits & Cutoff Grade Optimization Dr Teuku Andika R Putra USM 2014 Stripping Ratios The stripping ratio (SR) refers to the amount of waste that must be removed for a given quantity of ore in open pit mining

Stripping Ratio Considerations | Mining | Reference Range

CUTOFF STRIPPING RATIO The cutoff stripping ratio is the one for which the costs of mining the ore and waste are matched by the revenue from that block of ore Factors used to determine costs should include the added costs of mining as the pit deepens and the …

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Surface and underground coal mining are broad activities that incorporate numerous variations in equipment and methods, and the choice of which method to use in extracting a coal seam depends on many technological, economic, and social factors Choosing a mining method If the break-even stripping ratio remains favourable, further cuts

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Strip Ratio The stripping ratio is the most influential economic factor in the evaluation and planning of open-pit coal mines It represents the volume of rock both above and within (partings) coal seams expressed in Bank Cubic Metres (BCMs) which must be mined to obtain 1 tonne of raw or clean coal

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stripping ratio coal mining comp Stripping ratio - Wikipedia, the free encyclopedia In mining, stripping ratio or strip ratio refers to the ratio of the volume of overburden (or waste material Read more stripping ratio coal mining comp What Is a Stripping Ratio? - wiseGEEK 2 Mar 2014 Stripping ratio is a term that is derived from

CHAPTER 11 Mining Technology - Princeton University

326 An Assessment of Development and Production Potential of Federal Coal Leases burden and the coal and the designed produc-tion rate of the mine After the coal has been mined from the bottom of the box cut, the overburden covering the next strip of coal is removed and placed in the void left by the mining of the preceding strip of coal Mining

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Mining: the activity, occupation, and industry concerned with the extraction mining equipment, which extracts the softer minerals like coal without the use determine the stripping ratio, the ratio of waste removed to ore recovered; it

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Mining: the activity, occupation, and industry concerned with the extraction mining equipment, which extracts the softer minerals like coal without the use determine the stripping ratio, the ratio of waste removed to ore recovered; it

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Sep 11, 2015 · In another five or six years time the mining should be complete and will mark the end of over 200 years of coal mining here in Pictou County Category Autos & Vehicles

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Stripping ratio coal mining comp The volume of waste rock above and between coal seams in an open-pit mine is The clean coal stripping ratio is more indicative Calculating Stripping …

What is the maximum stripping ratio of open pit Diamond

A low grade ore body cannot support a high stripping ratio The cost is purely driven by the cost of the mining fleet (capital and operating costs) to move the waste ore

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stripping ratio coal mining comp - Mine Equipments What Is a Stripping Ratio? - wiseGEEK Stripping ratio is a term that is derived from the mining industry and is used in , of the mining procedure is commonly used in the ore or coal mining process More

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Jun 24, 2010 · A belt line is used to carry spoils from open pit coal mine A D-11 pushes material down to a 950 LeToureau loader The loader dumps material into a crusher that breaks the rock down small enough

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Jun 06, 2010 · * Thus in coal SR is the number of BCM of waste that needs to be removed to uncover 1 t of coal Stripping ratio allows definition of this “breakeven” point Switch to underground mining if your stripping ratio is more than BESR a May or may not be economically feasible

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effect of stripping ratio in coal mining CHAPTER 11 Mining Technology - Princeton University CHAPTER 11 Mining Technology The Federal Coal ern United States that could affect the production of coal mining of the preceding strip of coal

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Mining 101 | West Virginia Coal Association

The typical method of assessing surface mining economics for a coal seam is a calculation of overburden (native rock and soil above a coal seam) moved per clean ton of coal produced, commonly referred to as “mining ratio” The higher the mining ratio (or more overburden moved per clean coal ton), the higher the cost of producing coal

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