Open-pit mining

Open-pit, open-cast or open cut mining is a surface mining technique of extracting rock or minerals from the earth by their removal from an open pit or borrow.

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Open pit mining - SlideShare

Dec 14, 2014 ... OPEN PIT MINING KHALEEQ AHMED 1 1PWMIN0644 7TH ... Cost High Production Rate Early Production Disadvantages 12/14/2014 17 High...

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Opencast/Opencut/Open-pit Mining

Surface mining, in which the ore is excavated from a pit, has been used ... of the orebody, the advantage of open-pit, as opposed to underground, mining is that it...

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Open Pit Mining Pros & Cons - eHow

Open Pit Mining Pros & Cons. Open pit mining -- or strip mining -- is an extraction process for ore or fossil fuels that takes place at the surface of a mining site.

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Basics of openpit mining - SlideShare

Mar 13, 2012 ... BASICS OF OPENPIT MINING I. Satyanarayana, M.Tech,MBA,MCADy. ... Disadvantages of opencast mining •Work is affected by weather.

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advantages and disadvantages of open pit mining – mining crusher ...

Apr 15, 2013 ... Open pit mining does offer some advantages over traditional deep shaft mining. … The Advantages of Mining Gold. The Disadvantages of Gold...

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Underground v.s. Surface Coal Mines: Is Deep Drilling Worth the ...

May 3, 2014 ... Underground v.s. Surface Coal Mines: Is Deep Drilling Worth the Cost? ... There are many advantages as well as disadvantages to both methods, ... Opencast mining, otherwise known as surface mining consist of three...

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What are the disadvantages of opencast mining? | Reference

Opencast mining, also known as surface mining or strip mining, has disadvantages that include disturbance of the environment and local ecosystems, exposure...

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Coal mining techniques and problems

Describe open cast mining. Surface ... What are the main disadvantages of underground mining? ... Mine under sea or areas where open pits would be eyesores.

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