break even stripping ratio example for coal mining

Stripping ratio and pit limit - pngminers.com

Jul 26, 2017· 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.

mining engineering: STRIPPING RATIO (S)

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 ... 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 economically feasible * Consider value of ore. b. Major ...

Break-even stripping ratio | Britannica.com

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.

break even stripping ratio example for coal mining

break even stripping ratio example for coal mining. How To Calculate Break Even For Crusher Plant. break even stripping ratio example for coal mining crusher,break point . the mobile crushing plant has the advantages of easy open pit mining of coal and break even.

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

Stripping ratios aren't often discussed, but they can be an early and important indicator for mining projects. Here's what investors should know about them. A strip ratio, or stripping ratio ...

stripping ratio coal mining comp qatar - obsdelindert.nl

break even stripping ratio example for coal mining. break even ratio for australia coal mining break even stripping ratio example for coal mining event transcript in underground mining, block caving is the only method with the costs comparable to high stripping ratios, and environmental issues have become Chat Online; Coal Mining Stripping ...

An approach towards ascertaining open-pit to …

mentioned ratio is ordinarily given in terms of m3 of waste per m3 of the related mineral. There are various kinds of SR classified as overall, instantaneous (operating), break-even, and allowable. Overall Stripping Ratio (OSR) is the proportion of the whole volume of overburden in the OP to the total reserves of the mineral.

Topic 6: Mining Methods Part II: Surface Mining-Planning ...

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

Of Stripping Ratio In Coal Mining - pol-recreatie.nl

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 …

Lecture 4 Calculating Stripping Ratios for Area Strip ...

Lecture 4 Calculating Stripping Ratios for Area Strip Mines - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. bREAK EVEN STRIPPING RATIO

(PPT) Calculating Stripping Ratios for Area Strip Mines ...

Is it possible that eventually the coal Will get deep enough to exceed the break-even Stripping ratio – of course! In your homework you will look at a coal reserve – start shallow and work until it is Deep enough you can't afford it anymore. Then you'll tell me how far you could mine.

coal mining stripping ratio - bm-garden.eu

Strip Ratio In Coal Mining - pol-recreatienl. Strip Ratio In Coal Mining What Is a Stripping Ratio with picture wiseGEEK Apr 22 2018 Stripping ratio is a term that is derived from the mining industry and is used in reference to the open-pit mining process Read more what is stripping ratio coal mining vibrating sieve separator [7/27 Online]

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

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.

Effect Of Stripping Ratio In Coal Mining

break even stripping ratio example for coal mining html . Effect Of Stripping Ratio In Coal Mining. break even stripping ratio example for coal mining break even stripping ratio example for coal mining Accounting for stripping costs in the seem that it s value does not have any effect on the stripping ratio.

Economico-Mathematical Analysis of Transition from Open ...

Economico-Mathematical Analysis of Transition from Open-pit to Underground Mining ... In rela tion to the practice of surface mining of coal . ... break even stripping ratio is applied only at the ...

open pit mining of coal and break even point– Rock Crusher ...

open pit mining of coal and break even point XSM is a leading global manufacturer of crushing and milling equipment (open pit mining of coal and break even point),XSM also supply individual (open pit mining of coal and break even point...) crushers and mills as well as spare parts of them.

What is STRIPPING RATIO? What does STRIPPING RATIO mean ...

Aug 24, 2017· 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 …

Break-even is broken - MINING.COM

Sep 12, 2016· If the 94% recovery value is used to determine a break-even grade, for an example the authors are familiar with (Poniewierski, 2016), the break-even grade would be 0.4 g/t, which implies a …

What Is Stripping Ratio Coal Mining Ppt

Stripping Ratio In Coal Mining. stripping ratio in coal mining. Stripping ratio ... Lecture 4 Calculating Stripping Ratios for Area Strip Mines.ppt "Elements of Practical Coal Mining" and ... GEOL3650: Energy: A Geological Perspective: Laboratory ... An important parameter in determining if a mineral deposit can be mined from the surface is ...

Stripping ratio and pit limit

Jul 26, 2017· 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.

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 ele.HistoryMethods of . live chat

What Is a Stripping Ratio? (with picture) - wisegeek.com

Sep 16, 2019· 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.

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

Dec 16, 2016· With concerns of Indonesia running out of reserves to fulfil domestic obligations, we seek to understand Indonesia's coal mines potential to maximise strip ratios and boost reserves. In this insight, we analysed the breakeven strip ratios for currently operating surface mines in Indonesia and its potential impact to reserves.

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 ratio | mining | Britannica.com

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…

What is break even stripping ratio? - Answers.com

What is break even stripping ratio? ... We divide the overburden thickness by ore thickness to get the stripping ratio For example if we have an overburden thickness of 80m and ore thickness of 50 ...

Coal Mining Stripping Ratio - alanglover.co.za

Stripping ratio Mining coal mining Choosing a mining becomes economically necessary to switch from one method to the other can be calculated with the aid of Get Price And Support Online What Is a Stripping Ratio with picture wiseGEEK Apr 22 2018 · Stripping ratio is a term that is derived from the mining industry and is used in …

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.