﻿ Coal Mining Stripping Ratio

# Coal Mining Stripping Ratio

#### 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

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

2019-10-26· 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

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#### How to calculate stripping ratio?

The stripping ratio (SR) refers to the amount of waste that must be removed for a given quantity of ore in open-pit mining. It is commonly expressed as: It is commonly expressed as: SR=Waste (tons

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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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#### Basic Mining Techniques : Stripping ratio and pit limit

2017-07-26· 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.

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#### Coal mining Wikipedia

When coal seams are near the surface, it may be economical to extract the coal using open cut (also referred to as open cast, open pit, mountaintop removal or strip) mining methods. Opencast coal mining recovers a greater proportion of the coal deposit than underground methods, as more of the coal seams in the strata may be exploited. This equipment can include the following: Draglines which

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#### In coal mining what is a good strip ratio Answers

Coal mining is good because it is used to get a very important natural resource, coal. Coal is used in many things and without coal mining we could not do those things. They were used on the first

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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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#### strip ratio in 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

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#### Lecture 4 Calculating Stripping Ratios for Area Strip

Calculating Stripping Ratios for Area Strip Mines. Mnge 315 Dr. B. C. Paul spring 2003 revised 2010 Note These notes contain information considered common knowledge to those familiar with Strip Mining. Books such as Elements of Practical Coal Mining and SMEs Surface Mining were specifically referenced Stripping Ratio as a Fundamental

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#### Break-even stripping ratio Britannica

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.

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#### India Coal: Stripping Ratio

India’s Coal: Stripping Ratio data was reported at 2.330 % in Mar 2015. This records an increase from the previous number of 2.230 % for Mar 2014.

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#### Can Indonesia's coal mines maximise strip ratios and boost

2016-12-16· Can Indonesia's coal mines maximise strip ratios and boost reserves? Report summary . The declining trend in strip ratios for Indonesia's coal mines have allowed producers to survive in periods of lower coal prices through reduction in production costs and margins. However, producers are likely to have sterilised coal and jeopardised future coal reserves with continuous mining in lower strip

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#### (PPT) Calculating Stripping Ratios for Area Strip Mines

The Coal Area Strip Mine Formula • Strip Ratio = OB Thickness (in ft) * 11.11/ Coal thickness in inches Assumes coal is 80 lbs/ft^3 (good for bituminous) Area Strip Mine Geometry Geologic Stripping Ratio no accounting for rehandle or less than 100% coal recovery Your Turn • Use What You Have Learned About Calculating

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#### coal mining stripping ratio

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

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#### formular for calculating strip ratio in mining

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 Read More. Lecture 4 Calculating Stripping Ratios for Area Strip Mines.ppt . Calculating Stripping Ratios for Area Strip Mines “Elements of Practical Coal Mining” and SME's “Surface Mining” were The Coal Area

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#### coal mining stripping ratio

stripping ratio (mining) -- Encyclopedia Britannica. Update or expand this article! In Edit mode, you will be able to click anywhere in the article to modify text, insert images, or add new information.

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#### COAL Trollope Mining Services

HCI KHUSELA PALESA MINE Gauteng. The Palesa Coal Mine, located 37 km North of the town Bronkhorstspruit, is the largest of the two HCI Coal Mines. Operations will ultimately comprise of opencast mining of coal 380 000 T/MTH @ strip ratio of 2.3 M3/T. The opencast mining scope of work includes ongoing rehabilitation. This operation is unique

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#### break even stripping ratio example for coal mining

What Is Stripping Ratio 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.

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#### coal mining stripping ratio

stripping ratio (mining) -- Encyclopedia Britannica. Update or expand this article! In Edit mode, you will be able to click anywhere in the article to modify text, insert images, or add new information.

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#### What is stripping ratio in mining? Quora

2018-07-25· 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 wil...

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#### Strip Ratio In Coal Mining ketelservice-nederland

strip ratio in coal mining etsiviaggiarecisl. strip ratio in coal mining. Strip Ratio The stripping ratio is the most influential economic factor in the evaluation and planning of open-pit coal mines. It represents the volume of rock both above and within (partings) coal seams expressed in Bank Cubic Metres (BCMs) which must be mined to

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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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#### Strip Ratio In Coal Mining pol-recreatie

The Coal Area Strip Mine Formula • Strip Ratio = OB Thickness (in ft) * 11.11/ Coal thickness in inches Assumes coal is 80 lbs/ft^3 (good for bituminous) Area Strip Mine Geometry Geologic Stripping Ratio no accounting for rehandle or less than coal recovery .

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#### coal mining stripping ratio

coal ton to bcm « BINQ Mining. Stripping Ratio(s) Surface Mining COAL MINING AND GEOLOGY 24 Nov 2012 Coal miners measure waste in BCM, or bcy, and coal in tonnes or tons.Thus in coal SR is the number of BCM of waste that needs to be »More detailed. Contact Supplier

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#### Surface Coal Mining Methods in Australia InTech

Surface Coal Mining Methods in Australia 5 2. Open cut mining methods strip mining Large-scale open cut coal mining operations commenced in Australia in mid 1960s and since then there has been significan t developments in this method of mining. The mines are now operating at significantly higher annual tonnages, growing deeper, more complex and

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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\$. The key design criteria

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#### India Coal: Stripping Ratio ceicdata

Discover data on Coal: Stripping Ratio in India. Explore expert forecasts and historical data on economic indicators across 195+ countries.

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