### 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 Ratio For Australia 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

### break even stripping ratio example for coal mining

break even stripping ratio example for coal mining. . what is stripping ratio coal mining,Stripping ratio –, the free encyclopedia, In mini. stripping ratio coal mining comp – Mine Equipments In coal mining what is a good strip ratio – Wiki Answers SR measures how much waste . for example coal .

### 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

### 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 ...

### What Is a Stripping Ratio? (with picture)

Oct 26, 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.

### 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…

### 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.

### (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.

### 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

### (PDF) Economico-Mathematical Analysis of Transition from ...

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 ...