Stripping Ratio Gold Mining. 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
Surface and underground coal mining are broad activities that incorporate numerous variations in equipment and methods, and the choice of which method to use in extracting a coal seam depends on many .stripping ratio calculation in miningabstract the economic stripping ratio used to define an economic mining block in an open pit coal mining ...
Auger mining can be used for coal outcrops on a hillside or in strip mines where the stripping ratio has become too high to be economical for strip mining schobert, 1987. in auger mining, an auger drills it way into the face of the coal seam, and the coal is removed via conveyor and loaded directly onto a truck.
Dec 04 2019 183 stripping ratio is a term that is derived from the mining industry and is used in reference to the openpit mining process the stripping ratio method of calculating the profitability of the mining procedure is commonly used in the ore or coal mining process
Stripping ratio calculation in mining - what is a stripping ratio with picture stripping ratio is a term that is derived from the mining industry and is used in reference to the open-pit mining process. chat online. calculating bcm coal mining - theabilitynet.com.
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 . 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
Stripping ratio calculation in mining. strip ratio is very important in the mining world. . 101 strip ratio that is coal mining or strip mining at its . to use the volume over volume calculation. get price and support online agoldenmomentfor mining - pwc. agoldenmomentfor mining . get price
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 31 stripping ratio means that mining one tonne of ore will require mining three tonnes of waste rock
And to which extent referred to as shallow or deep mining. the corresponding model maximizes the npv influenced by factors such as sale price, transportation distance, and stripping ratio, while ensuring that each sublayer is removed either via deep or shallow mining, and that only one sublayer is mined within a given period 8.
Grade calculation which both of them directly depend on final product price of the mine. ultimate pit determination in each period of time is a function of financial affairs. this function is well defined by break-even stripping ratio besr. systematic studies on this approach were carried out by lilico 1 and koskiniemi 2. lerchs and ...
Pit gold mining project named coriorcco gold, including a project description, an explanation of the main operational parameters, and an economic evaluation of the project. in the economic evaluation, variables as the breakeven cutoff grade bcog, stripping ratio
May 01, 2017nbsp018332technical information like ore grade, overburden, inter-burden, stripping ratio, recovery rate and financial and mineral market information like ore concentrate prices, free risk rate, debt costs, etc., has to be gathered to measure how risky a gold mining project is .
Mulliple-scam mining is a very important phase of the stripping industry in the united states today. as in the casc of conventional stripping, multiple-seam slrip-miuing is classified either as area or contour mining .. area strip-mining is practiced on relatively flat terrain. a box cut is made
Stripping ratio calculation in mining. 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.ore mining cost t . pdf stripping ratios, pit limits amp cutoff grade.
Stripping ratio calculation in mininghenan mining. 1 4 stripping ratio ratio surface mining scribd calculate various stripping ratios for given situations c ap 3 explain the influence of stripping ratios on planning decisions a s 4 assess the most economic method of mineability of a deposit by surface mining or underground mining from the ...
Apr 03, 2015nbsp018332stripping ratios increase with the quality of the ore being mined and cost factors related to beneficiation and transportation. the economic stripping ratio varies widely from mine to mine, depending upon a number of factors. in the case of direct shipping ores, it may be as high as 61 or 71. in the case of low grade ore , a stripping ratio ...
Jan 09, 2016nbsp018332vii stripping ratio the ratio is most commonly expressed as strip ratio sr is the mass of waste to be mined to obtain one unit mass of ore. waste tons sr ----- ore tons for example, a 31 stripping ratio means that mining one cubic meter of ore will require mining three cubic meters of waste rock.
For conducting a mining projects break even analysis, you first need to know about the operational expenses opex.when 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 ore.to find out how i come up with the cost price per tonne opex if a feasibility study isnt available, i refer you ...
Oct 01, 2013nbsp018332the profit function can also be formulated in unit values per ton or cubic meter of ore, by assigning a unit profit function l h, which is given by 2 l t u v m e r b f p. in all these variables, there are two geological characteristics, which have great importance the stripping ratio r and the grade of ore t.it is therefore essential to determine what their ...
Vii strip ratio sr 1.8 open-pit mining sequence 1.9 various open-pit and orebody configurations we will explore all of the above in topic 6. february 2, 2016 prof. dr. h.z. harraz presentation
A high grade orebody can support a high stripping ratio. a low grade ore body cannot support a high stripping ratio. thus you may have a range of stripping ratios from 11 to 115 or even more.
Aug 26, 2010nbsp018332in surface mining operations, entities may find it necessary to remove mine waste materials overburden to gain access to mineral ore deposits. this waste removal activity is known as stripping. there can be two benefits accruing to the entity from the stripping activity usable ore that can be used to produce inventory and improved access ...
Stripping ratio gold mining autospeccoza. stripping ratio calculation in mining with picture stripping ratio is a term that is derived from the mining industry and is used in reference to the openpit mining process the stripping ratio method of calculating the profitability of the minin. details
Effect of stripping ratio in coal mining. photo gallery of austin limestone photos by texas stone supply, providing a wide range of natural stone products throughout the us and greater granbury, dallas, ft worth, denton, plano, arlington, san antonio, austin, odessa and college station, tx.
An educational presentation was made by niall weatherstone, chief advisor for evaluation at rio tinto. the presentation clarified the technical and geological aspects of mining as well as significance of the stripping costs, especially in open pit mining. the main aspect of the presentation was treatment of waste and overburden.
Table of contentsassay maps and sectionsvolume and tonnage estimatesore volume calculationore tonnage calculationsore grade estimationestimates based on drill-hole dataore reserve estimate example 1ore reserve estimate example 2estimates based on underground samplingweighting of assays of individual sampleserratic high assayscomputation of tonnage and grade of ore by