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. 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.... Coal is valued for its energy content, and, since …
break even stripping ratio example for coal mining
open pit mining of coal and break even point. In strip coal mining operations, the following are sometimes seen Breakeven stripping ratio The instantaneous stripping ratio at the point where . For open pit mining the costs are $0.40/ton ore and a stripping cost of $0.50/ton of waste. Contact Supplier
What Is a Stripping Ratio? with picture
Sep 16, 2019 · The stripping ratio is commonly used in the ore and coal mining processes. 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...
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 .
Stripping Ratios: What are They and Why are They Important?
Calculating stripping ratios. For example, an overburden thickness of 100 meters and an ore thickness of 50 meters would yield a strip ratio of 2:1. That means mining 1 cubic meter of ore would require mining 3 cubic meters of overburden. The stripping ratio of a deposit may be used, in …
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 …
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 m , then the stripping ratio will be ...
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
In strip coal mining operations, the following are sometimes seen: Overbuden Thickness (ft) Overburden (yd 3 ) SR = SR = Coal Thickness (ft) Coal (tons) 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.
Stripping ratio | mining
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…
break even striping ratio
stripping ratio, representing the fundamental nature of resource and economic requirements of . On each bench the ore tonnage above the breakeven. Surface Strip Coal Mining Handbook sacea. Fundamental stripping ratio concepts, the break even stripping ratio. (BESR) and multiple seam mining incremental stripping ratios. The components of the
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 - …
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.
Determining Stripping Ratio
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
Jul 26, 2017 · There are basically three (3) forms of stripping ratios. The overall stripping ratio (average stripping ratio), the maximum allowable stripping (break even stripping ratio), and the instantaneous stripping ratio (incremental 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.
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 …
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 m , then the stripping ratio will be ...
PDF Surface Mine Design
"Strip mining" is the practice of mining a seam of mineral, by first removing a long strip of overlying soil and rock (the overburden). It is most commonly used to mine coal and
Can Indonesias coal mines maximise strip ratios and boost
Dec 16, 2016 · 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 US73/t. Potential reserve increase for Indonesia mines.
INTRODUCTION TO MINING Cincia Viva
INTRODUCTION TO MINING 1.1 MINING’S CONTRIBUTION TO CIVILIZATION Mining may well have been the second of humankind’s earliest endeavors— granted that agriculture was the ﬁrst. The two industries ranked together as the primary or basic industries of early civilization. Little has changed in the
EconomicoMathematical Analysis of Transition from Open
The break even stripping ratio is calculated fo r the point at which break-even occurs and the necessary stripping is paid for by the net value of the ore removed. Generally, the break even