influence of striping ratio on open cast coal mining
 

Influence Of Striping Ratio On Open Cast Coal Mining

Stripping ratio - Wikipedia, the free...

In mining, stripping ratio or strip ratio refers to the ratio of the volume of overburden (or waste material) required ... When compared to surface mining, which requires overburden removal prior to ore extraction, underground ... Open- pit mining ...

Stripping Ratios, Pit Limits & Cutoff Grade...

In strip coal mining operations, the following are sometimes seen: (ft) Thickness .... UG = Underground cost of mining per ton of ore OP = Open pit cost of mining per ton of ... The overall influence of Cutoff Grade policy on the economics of an ...

Open- Cast- Mine-Planning - Mining and Blasting

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OPENCAST MINE PLANNING, DEPLOYMENT OF HEMM FOR OPTIMUM ... 6) Nature of deposits (influences site, area method of work, & equipments of mining) ... 3) Shallow initial depth of the coal deposits (Stripping ratio 0.6 to 6): less.

Surface Strip Coal Mining Handbook - sacea

http://www.sacea.org.za/.%5Cdocs%5CSACMA%20Surface%20Strip%20Coal%20Mining%20Handbook_rev1.pdfFile format:Adobe PDF

This handbook on surface strip coal mining serves as a general introduction to the subject of mining ..... In 2002, opencast mines provided 50 percent of the run- of-mine .... in stripping ratio affect the scale of the equipment and the efficiency of.

Chapter 2: The Environmental Effects of Strip...

sites.google.com/site/stripmininghandbook/chapter-2-1

All surface or strip mining first removes the overlying vegetation, soil and underground rock ... along parallel strips of land so long as the ratio between the overburden and the coal seam, ... Typical open pit mining method with thick coal seam.

Standardized emissions inventory methodology for ...

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a stripping ratio of 3.98 emitted 9366.7 kg/day of TSP while its production was 2500 ... models to assess the environmental impact of the open pit mining activities ... For the case of open pit coal mining operations, the TSP and PM10 emission ...

SURFACE MINING METHODS

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2.2 Strip Mining. Strip mining is ideally applied where the surface of the ground and the ..... ratio (S'), with reference to the open pit mining method. 3.1 Illustrate a ...

Mining Methods - PwC

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Open pit mines are used to exploit low grade, shallow ore bodies. However, some pits .... 14. Mining Methods. Coal and tar sands operations typically involve moving large amounts of waste (often .... Hard to define a strip ratio when what was waste becomes ore and vice versa. ... In effect, Bagdad is buying an option on the.

Coal Mining Terms - Cline Mining Corporation

The volume of waste rock above and between coal seams in an open-pit mine ... influential economic factor in the evaluation and planning of open-pit coal mines. ... open-pit coking coal mines typically operate with clean coal stripping ratios of ...

Stripping ratio Definition – Resource/ Mining...

The stripping ratio refers to the amount of waste rock vs. ore (as opposed to mineralization) ... Generally, the ratio will be higher in the first bench of an open pit mine ... One thing to note is that the stripping ratio affects mining costs ( haulage and ...

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