what is stripping ratio coal mining - Mine Equipments

Calculating Stripping Ratios for Area Strip Mines

Overburden Removal - Surface Mining

coal ash calculation OneMine Mining and Minerals Library … coal ash calculation … gives the ratio of mineral … values for the other coal Blend weight will be lower than for the initial calculation…

Stripping ratio mining Britannica

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 ore To find out how I come up with the cost price per tonne OPEX if a feasibility study isn t available I refer you

ECONOMIC ASSESSMENT AND MINE PRODUCTION …

Nov 22 2016· Mining Engineering and Basic Knowledeg Mining Engineering and Basic Knowledeg Skip navigation Sign in Search 24th clip Surface Mining Stripping Ratio Viriyah Miner Loading

Stripping ratio - Wikipedia

Surface underground mine cost models - a variety of sizes types theoretical mining operations flotation milling carbon-in-pulp heap leach placer models

Economic Surface Mining of Multiple Seams

stripping costs A recent KPMG survey revealed that many companies capitalise costs often using an average life-of-mine stripping ratio approach while others expense such costs as incurred or follow the US GAAP approach of allocating all production stripping costs to inventory produced in the period

chidliak Strip Ratio

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

24th clip Surface Mining Stripping Ratio - YouTube

Apr 30 2013· How do you calculate stripping ratio for Open Pit Mines In the United States The State of Pennsylvania has a law that requires the mining company to …

Stripping Ratio Calculation In Mining

Aug 26 2010· IFRIC 20 considers when and how to account separately for these two benefits arising from the stripping activity as well as how to measure these benefits both initially and subsequently IFRIC 20 only deals with waste removal costs that are incurred in surface mining activity during the production phase of the mine production stripping costs

Break-even stripping ratio Britannica

Even if there was an average of ALL open pit mines that would not offer any knowledge regarding open pit mining The stripping ratio in a mine is chosen based on economics

IFRIC 20 — Stripping Costs in the Production Phase of a

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

Surface mining planning and design of open pit mining

Yes a 3 1 stripping ratio means that mining one cubic meter of ore will require mining three cubic meters of waste rock Asked in Math and Arithmetic How do you calculate a ratio from a percent

Easy profit maximization method for open-pit mining

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 will require mining three tonnes of waste rock

Lecture 4 Calculating Stripping Ratios for Area Strip

Strip itself is easily understood in coal mining where you may have 20 metres of overburden before you expose a 2 metre coal seam In this case it is a simple to just divide the length of the overburden by the length of the coal seam 20 2 = 10 1 strip ratio That is coal mining or strip mining at its core

TV BIP Ratio Explained The Economics of Oil Sands Mining

Easy profit maximization method for open-pit mining Author links open overlay panel C Dinis da Gama the tonnages of ore and waste rock stripping ratios and profit estimates for different production levels If cost evaluations of essential mine operations are available such as ore mining waste removal ore concentration transportation

Basic Mining Techniques

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

PPT Calculating Stripping Ratios for Area Strip Mines

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 3 1 stripping ratio means that mining one tonne of ore will require mining …

calculation of blend ratio in coal - BINQ Mining

Stripping Ratios Pit Limits Cutoff Grade Optimization

An approach towards ascertaining open-pit to …

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 as a Fundamental

How do you calculate the stripping ratio - Answers

Aug 24 2017· 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

PDF Stripping Ratios Pit Limits Cutoff Grade

Jan 09 2016· Surface mining planning and design of open pit mining 1 This material is intended for use in lectures presentations and as handouts to students and is provided in Power point format so as to allow customization for the individual needs of course instructors Permission of the author and publisher is required for any other usage

What is stripping ratio in mining - Quora

A strip ratio or stripping ratio is an important measurement related to the open-pit mining process It represents the amount of waste material also known as overburden that must be moved in

STRIP ratio English to Spanish Mining Minerals Gems

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

IFRS First Impressions - KPMG

Oct 26 2019· 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

Break Even Analysis - How to Calculate the Cut Off Grade

meaning ASR Accordingly the limiting ratio is never apparent in the year to year operating instantaneous stripping ratios Instantaneous Stripping Ratio ISR is the real relation of the removed waste volumes and the mineral exploited in the pit during a certain and definite period of time

What is STRIPPING RATIO What does STRIPPING RATIO mean

How to calculate stripping ratio the usual value of stripping ratio in Kuzbass Western Siberia The common strip ratio for coal mining is BCM per ton of coal Is this coal in situ or run

What Is a Stripping Ratio with picture

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 open-pit projects well before they enter development and production Get Price And Support Online Calculating Stripping Ratios for Area Strip Mines Mnge

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