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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 3).Usually for coal, cubic meters (m 3) or tonnes (t) are, for hard rock mines where the geology is usually complex with the presence of various rock types, tonnage (t) is usually preferred.
Stripping Ratios, Pit Limits Cutoff Grade Optimization
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.
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.
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.
The stripping ratio (SR) refers to the amount of waste that must be removed for a given quantity of ore in openpit mining. It is commonly expressed as: It is commonly expressed as: SR=Waste (tons ...
For conducting a mining project''s break even analysis, you first need to know about the operational expenses (OPEX).When the OPEX is known, you can calculate the mineral''s 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 isn''t available, I refer you ...
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 strip ratio (SR) is the simplest measure of mining efficiency. Defined as the weight of overburden (or waste ore) divided by the weight of oil sands ore, a strip ratio of 2 is considered high but feasible if the ore grade is high enough. A better measure of mining economics is the TV:BIP ratio.
A strip ratio, or stripping ratio, is an important measurement related to the openpit mining process. It represents the amount of waste material, also known as overburden, that must be moved in ...
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.
Mulliplescam mining is a very important phase of the stripping industry in the United States today. As in the casc of conventional stripping, multipleseam slripmiuing is classified either as area or contour mining .. Area stripmining is practiced on relatively flat terrain. A ''box cut'' is made
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The program will first determine the lowest Instantaneous stripping ratio in the calculation area. The program will then determine in which direction the stripping ratio increases the least. If mining were to start in the area of lowest stripping ratio and then move one grid node in the direction of least increasing stripping ratio, the ...
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 wil...
production stripping costs for some or all of their mines, with almost all of those companies calculating the asset based on an average stripping ratio. The interpretation specifies the costs that may be capitalised, which may differ from current practice in some cases. Additionally, those costs will be
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 .
Stripping Ratio Calculation In Mining. Strip ratio is very important in the mining world. . 10:1 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 Calculation In Mining. formular for calculating strip ratio in mining. Stripping Ratios: What are They and As a result, mining companies calculate strip ratios for openpit projects well before they enter development and production, Get Price And Support Online; Calculating Stripping Ratios for Area Strip Mines Mnge .
Jan 09, 2016· vii) 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 3:1 stripping ratio means that mining one cubic meter of ore will require mining three cubic meters of waste rock.
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 .
Oct 13, 2019· STRIPPING RATIO Stripping Ratio can be defined as, "It is the ratio between waste Ore/Mineral." What do you mean by Stripping Ratio??? WASTE = OVERBURDEN + INTERBURDEN Overburden is the ...
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 be handled in order to extract some volume of ore For example, a 3:1 stripping ratio means that mining one cubic meter of .
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