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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 pptGet price

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stripping ratio coal mining comp

Mining - Exxaro The waste stripping that is required to maintain this coal production is approximately 20Mtpa which results in a waste to coal mining ratio of approximately 0 5 1 Coal (an independent mining company ) up to 2012 with 100ktpa of saleable Get price

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stripping ratio mined

Stripping Ratio Truck Mining Scribd This value is the stripping ratio at which the costs of mining and processing the ore and stripping the waste are equal to the revenue from the ore 2 Establishment of the pit limits is the first stage in mine planning (Laurich 1990) Get Price Get price

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Prophecy Incorporates Silver Elephant Mining Corp and Asia

Ulaan Ovoo had received over US$50million investment since 2010 and features an average strip ratio of 1 8 The coal mine yielded 5 000 kcal/kg GCV less than 1% Sulphur and low ash (8 to Chandgana is a lignite coal project with mining licenses and contains an estimated 43-101 Compensation Plan as approved at its Annual General Meeting Get price

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What Is a Stripping Ratio? (with picture)

Sep 16 2019Stripping ratio is a term that is derived from the mining industry and is used in reference to the open-pit mining process The stripping ratio method of calculating the profitability of the mining procedure is commonly used in the ore or coal mining process Get price

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what is stripping ratio coal mining

stripping ratio coal mining comp This review gives information about surface min is for an 80 000 tonnes per day mine with a stripping ratio chidliak Strip Ratio Strip itself is easily understood in coal mining where you may have 20 metres of overburden before you expose a 2 metre coal seam Get price

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Availability of Coal Resources for Mining in Illinois

Of the 231 million tons of original resources of Springfield Coal in the quadrangle 198 million are remaining and 139 million (60%) are available for mining (table 5) Technological factors restrict mining of 48 million tons and land use restricts about 11 million tons Get price

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Stripping ratio

In 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 open-pit mining In mining Pit geometry removed is called the overall stripping ratio Get price

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Lecture 4 Calculating Stripping Ratios for Area Strip

Calculating Stripping Ratios for Area Strip Mines Stripping Ratio as a Fundamental • Ability to surface mine depends on the value of the ore being high enough to offset the cost of Overburden Removal – Stripping Ratio determines relative amounts of each to be moved • If coal generates a $5/ton earning and • • overburden costs 45 cents per cubicGet price

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break even stripping ratio example for coal mining

stripping ratio coal mining comp - feentech Stripping Ratio Coal Mining Comp Coal Russian The geological characteristics of surface coal mining which distinguish it from other surface mining are the nature mining - encyclopedia2 thefreedictionary Surface Mining Methods Strip mining (see coal mining by underground mining rather than surface mining is the strip ratio Compensation and Get price

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Effect Of Stripping Ratio In Coal Mining

Stripping Ratio Calculation In Mining czeu 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 Get price

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Stripping ratio

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 Get price

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stripping ratio mined

Stripping Ratio Truck Mining Scribd This value is the stripping ratio at which the costs of mining and processing the ore and stripping the waste are equal to the revenue from the ore 2 Establishment of the pit limits is the first stage in mine planning (Laurich 1990) Get Price Get price

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What Is Stripping Ratio Coal Mining Ppt

Stripping Ratio In Coal Mining stripping ratio in coal mining Stripping ratio Lecture 4 Calculating Stripping Ratios for Area Strip Mines ppt "Elements of Practical Coal Mining" and GEOL3650 Energy A Geological Perspective Laboratory An important parameter in determining if a mineral deposit can be mined from the surface is Get price

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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 coal recovery Your Turn • Use What You Have Learned About Calculating Stripping Ratios for Strip Mines and Break Even Limits to Determine the Size of a Get price

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(PDF) Stripping Ratios Pit Limits Cutoff Grade

The amount of ore uncovered is A4 A4 = 100 * 25 + 100 * 25 = 5 000 ft2 2A3 = 125 * 125 -100 * 100 = 5 625 ft2 The instantaneous stripping ratio is 5 625 SR (instantaneous) = = 1 125 5 000 The overall stripping ratio with bench 7 removed is 15 625 SR (overall) = = 0 48 32 500 Bench 8 With mining of bench 8 another 5 000 ft2 of ore (A6) is removed Get price

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what is stripping ratio coal mining crusher

what is stripping ratio coal mining mining strip ratio sharesguru Quarry Equipment Rock Crusher mining strip ratio sharesguru australian shares forum the strip ratio is the number of cubic metres of dirt and rock you need to remove to obtain a every tonne of ore (usually coal when it is mined with draglines or Get price

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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 Get price

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Surface Coal Mining in Wyoming Needs for Research and

to 200 feet and (3) has stripping ratios (ratio of overburden to coal) between 1 4 and 10 1 These seams are mineable under present technology and economics Approximately 236 square miles of pit acreage (15 1 000 acres) or about 0 2% of theGet price

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Of Stripping Ratio In Coal 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 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 Get price

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Of Stripping Ratio In Coal 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 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 Get price

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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 Get price

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Mine wastes management

The country is even planning for production from 300 m depths at stripping ratio of 1 15 for D and F grade quality of coal 17 If these mines were operational it would mean that even if 1 million tonnes of coal were extracted it would generate 15 million tonnes of waste material Get price

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Surface Coal Mining Methods in Australia

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 andGet price

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Coal Mining in Texas Region

Thirty one cars of a coal train has derailed near Pueblo Colorado ripping apart rail cars scattering coal over more than a mile of tracks and shutting down the train line for more than a day A BNSF representative said that there were no injuries no hazardous materials involved and it was far too early to comment on the cause of the accident Get price

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break even stripping ratio example for coal mining

stripping ratio coal mining comp - Mine Equipments Frequently Asked Questions - Semirara Mining Corporation ROM or Run of Mine Coal is the raw coal that is mined out of the mine pit moved in cubic meters for every metric ton of coal produced such that a 10 1 strip ratioOur present permit grants the company the exclusive right to explore them Get price

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Stripping ratio

In 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 open-pit mining In mining Pit geometry removed is called the overall stripping ratio Get price

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Coal companies of Australia

Norwich Park open-cut coal mine began production in 1979 and has a production capacity of 5 5 million tonnes of coking coal and ultra low volatile coal a year It was closed down May 2012 Peak Downs Mine is located 30 km south of the town of Moranbah and 195 km south west of the Hay Point port facilities Get price

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COAL MINING MIDTERMS Flashcards

The mining proceeds around the hills and mountains extracting the coal seam to a depth fixed by the economic strip ratio CONTOUR MINING METHOD - Removing overburden from the coalbed with the first cut at or near the outcrop and proceeding around the hillside Get price

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U Optimal production rates in opencast coal mining A

The mining rate can refer to coal extracted per annum or to the waste stripped per annum A mining practice in which the higher quality coal is mined first in the mine life This generally creates higher revenue streams early in the operation but can have limiting consequences later on The product coal produced according to a customer'sGet price

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strip ratio in 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 Get price

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