strip ratio in coal mining

POWDER RIVER BASIN COAL RESOURCE AND ... - Xcel Energy

on the coal resources mining in the Powder River Basin of. Wyoming ...... stripping ratio 2 of 10 BCY/ton and deducting mining and processing losses). Economic.

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Stripping ratio Definition – Resource/Mining Dictionary | Casey ...

The stripping ratio refers to the amount of waste rock vs. ore (as opposed to mineralization) or, more precisely, how…

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Estimating Average Total Cost of Open Pit Coal Mines in ... - InfoMine

coal mines to guide mining project evaluation to find the ATC in open pit coal mines. ... High stripping ratio, seams with complex metallurgy characteristics, mines...

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IFRS Developments for Mining & Metals: Accounting for waste ... - EY

accounting for waste removal costs - IFRIC Interpretation 20 – Stripping Costs in the .... differs from the life-of-mine average strip ratio approach, which is widely...

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Surface Mining Techniques | Technical | Oil Sands Magazine

Strip mining is the mining of a relatively flat deposit very close to the surface, commonly used in coal or phosphate industries. ..... If the bitumen grade of the oil sands and the strip ratio is known, the TV:BIP ratio can be calculated as follows:.

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Research on the mining method and stripping ratio of steep end ...

Aug 13, 2016 ... Research on the mining method and stripping ratio of steep end-slope mining in surface coal mines with flat coal deposit on ResearchGate, the...

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Topic 5: Mining Methods-Part I-Surface mining - SlideShare

Nov 2, 2011 ... Mine rehabilitation can be Strip Mining Coal Mine Shovel-Truck ... Nonel, Selection of Mining Equipment • Stripping Ratio – in case of Opencast...

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KGS--Mineral Resources Series 5--An Evaluation of the Strippable ...

Mar 11, 2015 ... Kansas' bituminous coal reserves for strip mining in the demonstrated .... 12) economic stripping ratio of 15 feet overburden to one foot of coal.

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Surface Strip Coal Mining Handbook - sacea

Introduction. This handbook on surface strip coal mining serves as a general introduction to the subject of .... 1.3 PRODUCTION COST AND STRIPPING RATIO.

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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 volume of...

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Indonesia could deplete coal reserves by 2033 - PwC | Reuters

Mar 7, 2016 ... Cost cuts by miners have included reducing exploration and stripping ratios - the amount of dirt removed to expose mineable coal, PwC...

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Stripping Ratios, Pit Limits & Cutoff Grade Optimization ...

In strip coal mining operations, the following are sometimes seen: SR = Overbuden Thickness (ft) Coal Thickness (ft) SR = Overburden (yd 3 ) Coal (tons)...

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Coal miners have less room for cost cutting - The Jakarta Post

Jun 10, 2015 ... When coal prices started to decline, mining companies said they would reduce costs partly by lowering the stripping ratio '€” the ratio of the...

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break-even stripping ratio | Britannica

Mining then ceases. The ratio of the amount of waste rock stripped to ore removed is called the overall stripping ratio. The break-even stripping ratio is a function...

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February supplement 2010: Mining - PwC

'overburden' to recover the ore is known as 'stripping'. A key statistic for a mining company is its 'stripping ratio' for each mine. A stripping ratio of 3:1 means that,...

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Coal Mining Terms - Cline Mining Corporation

The volume of waste rock above and between coal seams in an open-pit mine is ... The clean coal stripping ratio is more indicative of a mine's performance as it...

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Accounting for stripping costs in the production phase - IFRS

coal) and open pit mining (e.g. for copper) are types of surface mining. ..... costs between current and future periods: the strip ratio approach and the specific.

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[PDF] from stir.ac.uk - STORRE - University of Stirling

of OP mining is the Stripping Ratio (SR), by which is on the whole meant the ... In relation to the practice of surface mining of coal deposits, it is common to...

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Topic - Life Of Mine Strip Ratio Mining Operation - Mining Weekly

Apr 30, 2013 ... Home / Press Office / Life-of-mine Strip Ratio Mining Operation ... Buffalo Coal production slides as tough conditions continue...

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1 4 Stripping Ratio - Scribd

The various stripping ratios that are used in surface mining are the following: 1. 2. 3. 4. 5. 6. 7. ... Break even stripping ratio (BESR) In case of coal deposits,.

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