break even stripping ratio example for coal mining

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What Is a Stripping Ratio? with picture

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 appli ion 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.

Break Even Stripping Ratio Example For Coal Mining

2020-5-18break even stripping ratio example for coal mining. break even stripping ratio example for coal mining Coal mining Wikipedia the free encyclopedia The goal of coal mining is to obtain coal from the ground. Coal is valued for its energy content and since the 1880s has been widely used to generate ele.HistoryMethods of . Get Prices

Mining - Surface mining Britannica

Eventually there comes a point where the revenue from the exposed ore is less than the costs involved in its recovery. Mining then ceases. The ratio of the amount of waste rock stripped to ore removed is called the overall stripping ratio. The break-even stripping ratio is a function of ore value and the costs involved. Ore reserves

Break-even stripping ratio Britannica

In coal mining: Contour strip mining. If the break-even stripping ratio remains favourable further cuts into the hillside will be made. Otherwise if there are sufficient reserves under the knob of the hill the coal may be recovered by underground mining or by augering.

stripping ratio coal mining comp

Break Even Stripping Ratio Example For Coal Mining break even stripping ratio example for coal mining. what is stripping ratio coal mining mining strip ratio sharesguru cubic feet or 1275 tons of coal for a ratio of 1875 if the total cost to mine was 300 per cubic yard the coal sales price per ton would have to be 3750 to break mining strip ratio sharesguru australian shares forum.

stripping ratio in coal mining

Dec 04 2019 · Stripping ratio is a term that is derived from the mining industry and is used in reference to the openpit mining process The stripping ratio method of calculating the profitability of the mining procedure is commonly used in the ore or coal mining process

good strip ratio for a coal mine

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.

what is stripping ratio coal mining

contents 1 introduction to surface strip coal mining 1.1 fundamental concepts and definitions 2 1.2 surface coal mining 5 1.3 production cost and stripping ratio Chat Online stripping ratio iron ore « BINQ Mining

How to calculate stripping ratio? - ResearchGate

For instance: If the thickness waste rock overburden is 100m and the thickness of coal is 50m then stripping ratio would be 2:1. That means one m3 cubic meter of coal would need mining two m3

Stripping ratio and break even stripping ratio - Docsity

The Break Even stripping ratio is that S.R at which the costs of mining the ore coal and waste w1 w2 are same as the revenue for that block of ore/coal. B.E.S.R refers only to the last increment mined along the pit wall. It is calculated for the point at which break even occurs and the necessary stripping is paid for by the net value of the

break even stripping ratio example for coal mining

Break Even Stripping Ratio Example For Coal Mining Break even stripping ratio example for coal mining coal mining wikipedia the free encyclopedia the goal of coal mining is to obtain coal from the ground coal is valued for its energy content and since the 1880s has been widely used to generate ymethods of live chat Online Chat. Chat Online

Determining Stripping Ratio - Basic Mining Techniques

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.

Stripping ratio and pit limit - Basic Mining Techniques

July 26 2017 Breakeven stripping ratio Incremental stripping ratio Instantaneous stripping ratio Knowledge Maximum allowable stripping ratio Mining Engineering Overall stripping ratio Pit Limit Surface Mining

break even stripping ratio example for coal mining

For example the current maximum depth for underground coal mining is . between an analysis using a break-even economic hurdle and inclusion of at least 1 or 2 percent profit to technically meet the definition of reserves is minor especially for evaluations extensive very thick low stripping ratio resources in the PRB.

Block Method of Strip Mining

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 yd³/ton of coal; Conventional = 15.2 yd³/ton of coal; The actual stripping ratio is 9.0 yd³/ton in both cases.

Break Even Analysis - How to Calculate the Cut Off Grade

For conducting a mining project’s break even analysis you first need to know about the operational expenses OPEX .When the OPEX is known you can calculate the mineral’s cut off grade which is the break even grade below which it is not economically viable to mine the ore.

Lecture 4 Calculating Stripping Ratios for Area Strip Mines

Some mining costs are fixed many administrative features for example Others are variable direct materials handling cost What goes into Break Even Stripping Ratio Direct materials costs go into Break Even Fixed Costs are charged to the average stripping ratio you mine over the time Simple Stripping Ratios Bottom of a Strip Mine Top of a Strip

coal mining stripping ratio

break even stripping ratio example for coal mining. Mar 31 2020· The stripping ratio method of calculating the profitability of the mining procedure is commonly used in the ore or coal mining process.

24th clip Surface Mining Stripping Ratio - YouTube

Mining Engineering and Basic Knowledeg. Solo Survival: How to Survive Alone in the Wilderness for 1 week --Eastern Woodlands - Duration: 34:07. Tom McElroy-Wild Survival Recommended for you

coal mining

In the past the blasted overburden spoil was simply shoved down the hill; currently soil is either carried down the mountain to fill a chosen valley in horizontal layers or is replaced on the working bench itself in places where coal has been removed. If the break-even stripping ratio remains favourable further cuts into the hillside will be

Break Even Stripping Ratio Example For Coal Mining

Surface Mining Methods Break Even Stripping Ratio Example For Coal Mining. 2020-6-25An exception to this cyclical effect are dredges used in hydraulic surface mining and some types of loose material mining with bucket wheel excavators. The fraction of waste rock to ore excavated is defined as the stripping ratio.

stripping ratio coal mining comp - itamsoft.nl

Break Even Stripping Ratio Example For Coal Mining. break even stripping ratio example for coal mining. what is stripping ratio coal mining mining strip ratio sharesguru cubic feet or 1275 tons of coal for a ratio of 1875 if the total cost to mine was 300 per cubic yard the coal sales p per ton would have to be 3750 to break mining strip

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break even stripping ratio example for coal mining