break even stripping ratio
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ANALISIS BREAK EVEN STRIPPING RATIO UNTUK DESAIN PIT ,
The optimal pit limit is determined using Break Even Stripping Ratio (BESR) analysis There are two models of BESR analysis that will be used at this research...
Know MoreDevelopment of Underground Coal Mine from Toe of Open , - J-Stage
However, the conditions of their surface mines are worsening each year: The stripping ratio is approaching to the value of break even stripping ratio, the....
Know MoreSurface mining planning and design of open pit mining - SlideShare
9 Jan 2016 , The ratio of the waste and ore is calculated and compared to the breakeven stripping ratio for the grade of ore along the pit limit If the....
Know MoreStripping ratio Definition – Resource/Mining Dictionary | Casey ,
The stripping ratio refers to the amount of waste rock vs ore (as opposed to , Haulage costs can vary a great deal, even over the same distance, if, for example,....
Know MoreCut-off Grades for Mineral Resource Reporting - Micon International
13 Jul 2016 , , one cut-off grade, they typically have a base case or break-even cut-off , the stripping ratio increases) and eventually an economic pit limit is....
Know MoreVictory Nickel: Minago
Internal rate of return ("IRR") of 198%; Breakeven price of nickel is US$465/lb , Strip ratio of 117:1 to mine the nickel including frac sand as overburden/waste...
Know MoreIron ore miners cannot sustain cost cuts, say fund managers
8 Jul 2015 , Reducing strip ratios help lower costs in the short term because there , a lower break-even than Fortescue's that will probably start creeping up....
Know MoreWhat Is a Stripping Ratio? (with picture) - wiseGEEK
A stripping ratio is the ratio of waste material that will have to be removed , to three and a half parts of waste in order to break even, it stands to reason that the....
Know More1 4 Stripping Ratio | Ratio - Scribd
The various stripping ratios that are used in surface mining are the following: 1 2 3 4 5 6 7 Volumetric / geometric strippling ratio Break even stripping ration....
Know MorePENENTUAN BREAK EVEN STRIPPING RATIO (BESR) DENGAN ,
30 Mei 2016 , PENENTUAN BREAK EVEN STRIPPING RATIO (BESR) DENGAN PENDEKATAN BIAYA OPERASI PENAMBANGAN BATUBARA DI....
Know Morebreak-even stripping ratio | Britannica
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 of ore value and the....
Know MoreOpen pit or block caving? A numerical ranking method for selection ,
operational risk, etc, so normally it considered as preferred option; but break-even depth, high stripping ratios, and environmental issues have become....
Know MoreStudy: New projects need a $350 copper price | MINING
15 Apr 2015 , , to low strip-ratio openpit mining, which allows for low operating costs , reduce and demand will incrementally or even drastically increase,....
Know MoreCut-off Grade and Hauling Cost Varying with Benches in Open Pit ,
Where SR: stripping ratio (waste tonnage /ore tonnage) , On each bench the ore tonnage above the break-even cutoff grade are measured and the average....
Know MoreManica project strategic and progress report - RNS - London Stock ,
17 Nov 2016 , The optimisation overall stripping ratio before detailed design is circa 72 Optimisation break even all-in cost including capital recovery is....
Know MoreKumba Interim Results for the six months ended June 2015 – Anglo ,
21 Jul 2015 , , in the group's cash breakeven price to $45/tonne (62% Fe CFR China) , Mt thereafter, with the average LOM stripping ratio remaining at 39...
Know MoreCan Indonesia's coal mines maximise strip ratios , - Wood Mackenzie
We analysed the breakeven strip ratio for Indonesia's coal mines and its potential impact on reserv...
Know MoreArtikel Pelajaran dan Pengetahuan: Tambang Batubara
13 Des 2009 , Stripping ratio antara tambang terbuka yang menghasilkan perbedaan biaya impas (break even cost) dengan penambangan secara tambang....
Know MoreBasic Mining Techniques : Determining Stripping Ratio
4 Apr 2016 , The maximum allowable Stripping Ratio (SRmax) defines break even stripping ratio (BESR) This represents the highest possible units of waste....
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Keyword : Coal, net present value,ultimate open pit limit, strip ratio , yang harus dikupas sebesar 27441225 bcm dan break even strip ratio 12,92 ban/ton...
Know MoreStripping 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....
Know MoreStripping Ratios, Pit Limits & Cutoff Grade Optimization ,
Break-even stripping ratio: The instantaneous stripping ratio at the point where the cost of stripping the waste exactly equals the value of the ore uncovered...
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