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Oct 31, 2018· Calculating stripping ratios At their most basic, strip ratios can be calculated by dividing overburden thickness by ore thickness. For example, an overburden thickness of .
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). stripping ratio calculation in mining Stripping Ratio Truck Mining Scribd.
Aug 08, 2020· Esther Ejim Last Modified Date: August 08, 2020 . Stripping ratio is a term that is derived from the mining industry and is used in reference to the open-pit mining process. 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 ...
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 used.However, for hard rock mines where the geology is usually complex with the presence of various rock types, tonnage (t) is usually .
stripping ratio coal mining comp What Is a Stripping Ratio ? - wiseGEEK Stripping ratio is a term that is derived from the mining industry and is used in... of the mining procedure is commonly used in the ore or coal mining process.... The stripping ratio is important due to the fact that it helps a mining company...
Coal Resource Availability, Recoverability, and Economic . For example, the current maximum depth for underground coal mining is . between an analysis using a break-even economic hurdle and inclusion of at least 1 or 2 percent profit to technically meet the definition of reserves is minor, especially for evaluations extensive, very thick, low stripping ratio resources in the PRB.
Jul 25, 2018· 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...
In mining, stripping ratio or strip ratio refers to the ratio of the volume of overburden (or waste material) required to be, stripping ratio (from the article `coal mining`),great depths that it becomes uneconomical to continue with surface mining get price
coal mining stripping ratio Grinding Mill ... what is stripping ratio coal mining ppt - zenith Machinery is a specialist manufacturer of Coal beneficiation plant. Read More Rhineland Lignite Mining - Mining Technology- what is stripping ratio coal mining,The new Garzweiler II mine will replace capacity from Bergheim and Garzweiler ...
In coal mining: Contour strip mining. If the break-even 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.
ABSTRACT: The economic stripping ratio used to define an economic mining block in an open pit coal mining situation is rationalised by considering the time value of money, and defining run of mine recovery and mining cost as dynamic variables dictated by the thicknesses, depths and number of seams within a .
What Is a Stripping Ratio? (with picture) Mar 03, 2019· The stripping ratio is commonly used in the ore and coal mining process For example, if the mining company must extract one part of ore to three and a half parts of waste in order to break even, it stands to reason that the company will seek to look for mining sites where it can extract at least one part of ore to two and a half parts....
coal mining stripping ratio Grinding Mill ... what is stripping ratio coal mining ppt - zenith Machinery is a specialist manufacturer of Coal beneficiation plant. Read More Rhineland Lignite Mining - Mining Technology- what is stripping ratio coal mining,The new Garzweiler II mine will replace capacity from Bergheim and Garzweiler ...
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.
(with picture) Mar 03, 2019· The stripping ratio is commonly used in the ore and coal mining process For example, if the mining company must extract one part of ore to three and a half parts of waste in order to break even, it stands to reason that the company will seek to look for mining sites where it can extract at least one part of ore to two and a half parts....
case of strip mining. With regard to the western coals, the outlook for the mUltiple-sewn strip-mining industry seems as favorable as Iltat predicted for the entire industry. A TYPICAL MULTIPLE-SEAM SURFACE COAL MINE Using a walking dragline and an electric sboveJ in tandem, Peabody Coal Company. at its Homeslead Mioe in Ohio
Auger mining is a surface mining techniq ue used to recover additional coal from a seam located behind a highwall produced either by stripping or open-pit mining.
Mining - Mining - Surface mining: It has been estimated that more than two-thirds of the world's yearly mineral production is extracted by surface mining. There are several types of surface mining, but the three most common are open-pit mining, strip mining, and quarrying. These differ from one another in the mine geometries created, the techniques used, and the minerals produced.
stripping ratio coal mining comp . Jul 25, 2018· 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. Get Support
Stripping Ratio Coal Mining Comp Crusher, quarry, mining . stripping ratio coal mining comp « mines crusher for sale. Stripping ratio (Meaning of) – Encyclo. stripping ratio (from the article `coal mining`) great depths that it becomes uneconomical to continue with surface mining. Read more. learn more
12 Stripping ratio of the Herrin Coal, Shawneetown Quadrangle 18 13 Availability of the Herrin Coal for surface mining, Shawneetown Quadrangle 20 ... These maps provided the basis for detailed discussions with experts from mining compa-nies, consulting firms and government agencies active in the Illinois mining industry to identify the
An automated form of underground coal mining characterized by high Strip Ratio The stripping ratio is the most influential economic factor in the . coal mining stripping ratio Newest Crusher, Grinding . stripping ratio coal mining comp . Stripping Ratio(s) Surface Mining COAL MINING AND GEOLOGY. Types and definitions What does a SR measure?
stripping ratio coal mining comp . Jul 25, 2018· 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. Get Support
Yes, a 3:1 stripping ratio means that mining one cubic meter of ore will require mining three cubic meters of waste rock. Read More. Get Price. what is stripping ratio coal mining - Mine Equipments. stripping ratio (mining) -- Encyclopedia Britannica stripping ratio (mining) ...