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break even stripping ratio example for coal mining

What Is a Stripping Ratio? (with picture) Mar 03, 2019· The stripping ratio is commonly used in the ore and coal mining process For example, if the mining company must extract one part of ore to three and a half parts of waste in order to break even, it stands to reason that the company will seek to look for mining sites where it can extract at least one part of ore to two and a half parts....

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Coal mining - Wikipedia

Coal mining is the process of extracting coal from the ground. Coal is valued for its energy content and since the 1880s, has been widely used to generate electricity. Steel and cement industries use coal as a fuel for extraction of iron from iron ore and for cement production. In the United Kingdom and South Africa, a coal mine and its structures are a colliery, a coal mine is .

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12_Stripping Ratios & Pit Limits - Introduction to Mining ...

3 Stripping Ratios Instantaneous stripping ratio: The stripping ratio for a given push back Overall stripping ratio: The stripping ratio for the total amount of material removed. Break-even stripping ratio: The instantaneous stripping ratio at the point where the cost of stripping the waste exactly equals the value of the ore uncovered. Stripping Ratio Example It will be .

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coal mining stripping ratio - BM Garden

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 [7/27 Online]

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Stripping Ratio Calculation In Mining

Break-even stripping ratio | Britannica. Other articles where Break-even stripping ratio is discussed: mining: Pit geometry: The break-even stripping ratio is a function of ore value and the costs involved. Get Price And Support Online; calculating bcm coal mining - Grinding Mill China. No. Products Photo Info. Operating; 1.

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OPEN CAST MINE PLANNING - Mining and Blasting

3) Break even Stripping ratio/cost economic analysis 4) Production targets 5) Degree of mechanization 6) Environmental conditions & the township, land reclamation, etc 7) Availability of water, power, skilled labour, transport facilities, Steps in Opencast mining 1) Determination of mine boundaries: Exclusion of: high SR area (deep

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What Is Stripping Ratio Coal Mining Ppt

Break Even Ratio For Australia Coal Mining Archedyleu. Rational economic stripping ratios international the economic stripping ratio used to define an economic mining block in an open pit coal mining situation is rationalised by considering the time value of money, and defining run of mine recovery. Details

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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.To find out how I come up with the cost price per tonne (OPEX) if a feasibility study isn't available, I refer you ...

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(PDF) Stripping Ratios, Pit Limits & Cutoff Grade ...

Stripping Ratios, Pit Limits & Cutoff Grade Optimization

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Stripping Ratio Calculation In Mining

Break-even stripping ratio | Britannica. Other articles where Break-even stripping ratio is discussed: mining: Pit geometry: The break-even stripping ratio is a function of ore value and the costs involved. Get Price And Support Online; calculating bcm coal mining - Grinding Mill China. No. Products Photo Info. Operating; 1.

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break even stripping ratio example for coal mining

What Is a Stripping Ratio? (with picture) Mar 03, 2019· The stripping ratio is commonly used in the ore and coal mining process For example, if the mining company must extract one part of ore to three and a half parts of waste in order to break even, it stands to reason that the company will seek to look for mining sites where it can extract at least one part of ore to two and a half parts....

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in coal mining what is a good strip ratio

The various stripping ratios that are used in surface mining are the following: 1. ... stripping ratio Cumulative/ average stripping ratio Overall Stripping ratio Incremental stripping ratio ... Break even stripping ratio (BESR) In case of coal deposits,. Get Price

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Coal Mining Stripping Ratio - centroteologico

Break Even Stripping Ratio Example For Coal Mining. stripping ratio in coal mining CachedIn mining, stripping ratio or strip ratio refers to the ratio of the volume of overburden (or waste material) required to be Read more break even ratio for australia coal mining crusher in India.

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Stripping ratio and pit limit - Basic Mining Techniques

The units for stripping ratios can vary and usually depends on the geological properties of the deposit and the commodity mined. It can be expressed in tonnes (t), or cubic meters (m 3).Usually for coal, cubic meters (m 3) or tonnes (t) are used.However, for hard rock mines where the geology is usually complex with the presence of various rock types, tonnage (t) is usually preferred.

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mining engineering: STRIPPING RATIO (S)

Jun 06, 2010· Some coal & iron ore trades internationally in long tons! ... c. Break even point exists at which both surface and u/g mining are equally (un)profitable ... Switch to underground mining if your stripping ratio is more than BESR. a. May or may not be .

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What Is a Stripping Ratio? (with picture)

Aug 08, 2020· Esther Ejim Last Modified Date: August 08, 2020 . Stripping ratio is a term that is derived from the mining industry and is used in reference to the open-pit mining process. 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 ...

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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.

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Coal Mining Stripping Ratio - centroteologico

what is stripping ratio coal mining mayukhportfolio . a stripping ratio calculation, based on the price of coal per ton, the cost of mining and marketing the coal per ton, and the cost of mining the soil and rock strata per cubic yard, can be used to identify the break-even stripping ratio .

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What is break even stripping ratio - Answers

stripping ratio For example if we have an overburden thickness of 80m and ore thickness of 50 m, then the stripping ratio will be: 80/50= 1.6 How do calculate break even point?

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24th clip Surface Mining (Stripping Ratio) - YouTube

Nov 22, 2016· 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

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Can Indonesia's coal mines maximise strip ratios and boost ...

Dec 16, 2016· Regional breakdown of break-even strip ratio and total cash costs at US$73/t price scenario; Top 16 mines on Q4 LoM strip ratio and cumulative marketable production curve; Top 16 mines on breakeven LoM strip ratio and cumulative marketable production curve; Percentage of change in strip ratio to break even relative to coal quality 4,200GAR at ...

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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. Stripping ratios are typically reduced to show the volume of waste removal required to extract one unit ...

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What Is Stripping Ratio Coal Mining

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. Get Support

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break even stripping ratio example for coal mining

The stripping ratio is commonly used in the ore and coal mining processes.. In relation to its application in the mining of ore, the utility of the stripping ratio is the. For example, if the mining company must extract one part of ore to three and a. to break even, it stands to reason that the company will seek to .