what is stripping ratio coal mining ppt

Stripping Ratios: What are They and Why are They Important

A strip ratio, or stripping ratio, is an important measurement related to the open-pit mining process. It represents the amount of waste material, also known as overburden, that must be moved in

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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.

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How to calculate stripping ratio? ResearchGate

The common strip ratio for coal mining is BCM per ton of coal. Is this coal in situ or run of mine? Any answers? 1st Jan, 2020. Helal Haseeb. Al-Azhar University.

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Stripping ratio mining Britannica

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

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strip ratio in coal mining

strip ratio in coal mining Stripping ratio Wikipedia. 2019-10-20 · 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.

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Basics of openpit mining SlideShare

Mar 13, 2012· What is Opencast Mining• Opencast mining is also known as Open pit mining, Open cut Mining, Surface or Strip Mining.• The coal upto economical depth will be excavated by OC Method.• The current operating depth of OC mines in SCCL is about 200m and SCCL proposed to operate OC mines upto a depth of 420m. Ex: MNG OC II Extension Project.•

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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

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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.

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calculating calculating

calculating bcm coal mining . stripping ratio calculation in mining Calculating Stripping Ratios for Area Strip Mines Calculating Stripping Ratios for Area Strip Mines Mnge 315 ©Dr B C Paul spring 2003 revised 2010 Note These notes contain information considered common stripping ratio calculation in mining,what is stripping ratio coal mining Mine EquipmentsStripping.

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Mining Terms kau

Strip Mining . Quarry Mining . Placer Mining . Some Examples for Underground Mining . Stripping Ratio: is the ratio of a unit of waste material removed per similar unit of ore material removed. Entry: A horizontal opening in a bedded mineral deposit (ex. coal). Face:

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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

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(PDF) Stripping Ratios, Pit Limits & Cutoff Grade

Stripping Ratios, Pit Limits & Cutoff Grade Optimization

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Whats the average stripping ratio of open pit mines around

Even if there was an average of ALL open pit mines that would not offer any knowledge regarding open pit mining. The stripping ratio in a mine is chosen based on economics.

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Stripping Ratio Calculation In Mining

what is stripping ratio coal mining Mine Equipments. Stripping ratio Wikipedia, the free encyclopedia 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 volume of . Get Price And Support Online; stripping ratio in coal mining crusherasia

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In coal mining what is a good strip ratio Answers

Jul 29, 2010· It can be either one, depending on how the mining is conducted. In past years, areas were strip mined, and waste materials from the mining were left to pile up- in many cases, unsafely.

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strip ratio in coal mining

strip ratio in coal mining Stripping ratio Wikipedia. 2019-10-20 · 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.

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What is STRIP MINING? What does STRIP MINING mean? STRIP

Apr 06, 2017· "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 lignite (brown coal).

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What is STRIPPING RATIO? What does STRIPPING RATIO mean

Aug 24, 2017· 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. Open Cut Coal Mine

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Coal Mining: From the Ground to powering Your Home

Strip Mining. Removal of large strips of overlying rock and soil to reveal coal. Open-Pit Mining. Removal of rock and soil creating a vast pit where coal can be extracted. Mountaintop Removal Mining. Removal of mountain tops with explosives. Land made flat after reclamation. Highwall Mining. A continuous miner cuts holes horizontally into the

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calculating calculating

calculating bcm coal mining . stripping ratio calculation in mining Calculating Stripping Ratios for Area Strip Mines Calculating Stripping Ratios for Area Strip Mines Mnge 315 ©Dr B C Paul spring 2003 revised 2010 Note These notes contain information considered common stripping ratio calculation in mining,what is stripping ratio coal mining Mine EquipmentsStripping.

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Strip Mining an overview ScienceDirect Topics

Auger mining can be used for coal outcrops on a hillside or in strip mines where the stripping ratio has become too high to be economical for strip mining [4]. In auger mining, an auger drills it way into the face of the coal seam, and the coal is removed via conveyor and loaded directly onto a truck.

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in coal mining what is a good strip ratio

Lecture 4 Calculating Stripping Ratios for Area Strip Mines.ppt “Elements of Practical Coal Mining” and SME's “Surface Mining” were Even; Fixed Costs are charged to the average stripping ratio you mine over the time. Get Price

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what is stripping ratio coal mining Mine Equipments

In coal mining what is a good strip ratio Wiki Answers What Is Stripping Ratio?a. Measures relative deposit depth. Q: How important is depth in surface mining?? *

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CHAPTER 11 Mining Technology Princeton University

CHAPTER 11 Mining Technology The Federal Coal Leasing Amendments Act of 1976 charged OTA to assess the feasibility of the use of deep-mining technology on leased areas. With the passage of the Sur-face Mining Control and Reclamation Act of 1977 congressional interest in the study of deep underground mining technology shifted

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Economic Surface Mining of Multiple Seams

case of strip mining. With regard to the western coals, the outlook for the mUltiple-sewn strip-mining industry seems as favorable as Iltat predicted for the entire industry. A TYPICAL MULTIPLE-SEAM SURFACE COAL MINE Using a walking dragline and an electric sboveJ in tandem, Peabody Coal Company. at its Homeslead Mioe in Ohio

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stripping ratio coal mining comp qatar

What Is Stripping Ratio Coal Mining bikerpointeu. what is stripping ratio coal mining ppt Cutting Head A strip ratio, or stripping ratio, is an important measurement related to the open- pit mining process It represents the amount of waste material, also known as overburden, that must be moved in order to extract a given amount of ore

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Cline Mining Mining Company

Moreover, bauxite ore is strip-mined, which is regarded as an environmentally responsible method of acquiring minerals, when after removing a long stretch of overlying soil and rock, a large percentage of the topsoil is stored and restored to allow for rehabilitation of the mining site.

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CHAPTER 11 Mining Technology Princeton University

CHAPTER 11 Mining Technology The Federal Coal Leasing Amendments Act of 1976 charged OTA to assess the feasibility of the use of deep-mining technology on leased areas. With the passage of the Sur-face Mining Control and Reclamation Act of 1977 congressional interest in the study of deep underground mining technology shifted

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IFRS First Impressions KPMG

average life-of-mine stripping ratio approach, while others expense such costs as incurred, or follow the US GAAP approach of allocating all production stripping costs to inventory produced in the period. For companies that currently expense these costs, the interpretation will mean not only a change in for example coal.

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Coal Mining: From the Ground to powering Your Home

Strip Mining. Removal of large strips of overlying rock and soil to reveal coal. Open-Pit Mining. Removal of rock and soil creating a vast pit where coal can be extracted. Mountaintop Removal Mining. Removal of mountain tops with explosives. Land made flat after reclamation. Highwall Mining. A continuous miner cuts holes horizontally into the

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Stripping Ratio Calculation In Mining

what is stripping ratio coal mining Mine Equipments. Stripping ratio Wikipedia, the free encyclopedia 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 volume of . Get Price And Support Online; stripping ratio in coal mining crusherasia

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What is STRIP MINING? What does STRIP MINING mean? STRIP

Apr 06, 2017· "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 lignite (brown coal).

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Cost Models of Theoretical Mining Operations CostMine

This mine is an open pit mine producing 5,000 tonnes ore and 5,000 tonnes waste per day. Rock characteristics for both ore and waste are typical of those of granite or porphyritic material. Operating conditions, wage scales, and unit prices are typical for western U.S. mining operations. All costs listed are in 2012 US$.

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Topic 5: Mining Methods-Part I-Surface mining

Nov 02, 2011· Topic 5: Mining Methods-Part I-Surface mining 1. Topic 5: Mining Methods Part I-Surface mining Hassan Z. Harraz [email protected] 2010- 2011 Prof. Dr. H.Z. Harraz Presentation 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

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Coal mining Wikipedia

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. Steel and cement industries use coal as a fuel for extraction of iron from iron ore and for cement production. In the United Kingdom and South Africa, a coal mine and its structures are a colliery, a coal mine a pit, and the

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1.1 PHASES OF A MINING PROJECT elaw.org

of overburden generated by mining is enormous. The ratio of the quantity of overburden to the quantity of mineral ore (called the ‘strip ratio’) is usually greater than one, and can be much higher. For example, if a proposed mining project involves the extraction of 100 million metric tons of mineral ore, then the proposed mining project

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(PDF) Stripping Ratios, Pit Limits & Cutoff Grade

Stripping Ratios, Pit Limits & Cutoff Grade Optimization

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CORNERSTONE VOLUME 3 ISSUE 4 THE OFFICIAL JOURNAL

Each coal mine has a limited life span due to the finite nature of the resource being extracted. Eventually the resource is exhausted, or the point is reached at which it is no longer prof itable to extract for any number of reasons, such as increasing mine depth, increasing strip ratios, changing regulations, or market pressures.

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