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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.
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
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.
Nov 22, 2016· Mining Engineering and Basic Knowledeg. Solo Survival: How to Survive Alone in the Wilderness for 1 week Eastern Woodlands Duration: 34:07. Tom McElroyWild Survival Recommended for you
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 ...
* We calculate the amount of waste that needs to be removed to get an amount of ore/coal . Miners Only ... Stripping ratio allows definition of this "breakeven" point. Switch to underground mining if your stripping ratio is more than BESR. a. May or may not be economically feasible
Calculating Stripping Ratios for Area Strip Mines. Mnge 315 Dr. B. C. Paul spring 2003 revised 2010 Note These notes contain information considered common knowledge to those familiar with Strip Mining. Books such as Elements of Practical Coal Mining and SMEs Surface Mining were specifically referenced
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 .
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.
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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 .
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 ...
May 08, 2020· Discover some of the most important financial ratios used by investors and analysts to evaluate companies in the metals and mining industry.
IFRSnews Emergingissuesandpracticalguidance* Agoldenmomentfor mining Alfredo Ramirez of Accounting Consulting Services central team Mining ...
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 .
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.
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.
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 ...
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 ...
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
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...
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 .
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 example, a 3:1 stripping ratio means that mining one tonne of ore will require mining three tonnes of waste rock. Stripping ratios are typically reduced to show the volume of waste removal required to extract one unit ...
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