How Do You Calculate The Stripping Ratio Answers, Yes a 31 stripping ratio means that mining one cubic meter of ore will require mining three cubic meters of waste rock Stripping Ratio Calculation In Mining
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6 stripping ratio the main factor in designing a n open pit mine which largely determines the cost of mining is the stripping ratio stripping is the removal of waste rock from above and around the orebody stripping ratio is defined as the tonnage of waste rock to be mined divided by the tonnage of ore to be mined from the pit
Yes a 31 stripping ratio means that mining one cubic meter of ore will require mining three cubic meters of waste rock asked in business finance economics business accounting and bookkeeping
Stripping ratio calculation in mining stripping ratio truck mining scribd aug 03 2011 stripping ratio download as pdf waste stripping cost bm 3 simple stripping ratio calculation to the number of mining and stripping faces get price and support online lecture 4 calculating stripping ratios for area strip
All costs listed are in 2012 us the key design criteria operating schedule equipment personnel supply requirements and costs are listed below nstripping ratio nore production 5000 tonnes per day nwaste production 5000 tonnes per day haul distance ore haul distance waste nhours per shift nshifts per day
Jan 09 2016 surface mining planning and design of open pit mining 1 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 instructors permission of the author and publisher is required for any other usage
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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In coal mining contour strip mining if the breakeven 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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The maximum allowable stripping ratio sr max defines break even stripping ratio besrthis represents the highest possible units of waste that can be handled if the sr exceeds the besr then the operation will be uneconomical as the income generated by the ore is insufficient to offset the costs incurred in mining
Jan 09 2016 surface mining planning and design of open pit mining 1 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 instructors permission of the author and publisher is required for any other usage
Alluvial mining avoca cash flow cutoffgrade downloads dredging gold incremental cut off grade icog instantaneous stripping ratio jorc codes logic mill cut off grade mcog mine ventilation mineral resources authority mining mining economics mining engineering mining in png mining method net present value open pit mining ore grade ore
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
We divide the overburden thickness by ore thickness to get the stripping ratio for example if we have an overburden thickness of 80m and ore thickness of 50 m then the stripping ratio will be
Surface mining methods open pit planning and design open pit terminology stripping ratio factors governing strip mining calculation of overburden ratio initial data collection checklist
For conducting a mining projects break even analysis you first need to know about the operational expenses opexwhen the opex is known you can calculate the minerals cut off grade which is the break even grade below which it is not economically viable to mine the find out how i come up with the cost price per tonne opex if a feasibility study isnt available i refer you
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 3usually for coal cubic meters m 3 or tonnes t are r for hard rock mines where the geology is usually complex with the presence of various rock types tonnage t is usually preferred
May 09 2020 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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