• Ore Reserve Estimation Method

    · Thus, in Minnesota and Michigan the mining companies and the State tax commissions accept valuations of ore reserves based upon certain rules as to continuity and grade of the ore Orereserve estimates include the determination of (1) tonnages of ore and (2) average grade or value per ton Since the grade or content of valuable metal

  • Mineral resource estimation Wikipedia

    Overview
  • Mineral Deposit Value How to Calculate the Potential

    Before you can calculate the potential mineral deposit value, you first need to gather some specific data regarding the ore body and the individual drill results This required data can be found in the mining company’s press releases in which they announce their drill resultsMake sure that this data is announced according to the guidelines of National Instrument 43101 (ie approved by a

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  • METHODS OF ORE RESERVE ESTIMATIONEXAMPLE Basic

    · Note that this resource is generic and categorized as opposed of mineral resources and ore reserve definition Numerical examples of Sectional Methods will be update in the next post METHODS OF ORE RESERVE ESTIMATIONEXAMPLE Reviewed by Cedrick Kau on August 18, 2019 Rating: 5 Share This: Facebook Twitter Google+ Pinterest Linkedin Ore Tonnage No comments:

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  • Calculation of Ore Tonnage & Grade from Drill hole Samples

    · mineral ore reserve case 2 When one of the holes in a prism has a zero value, the same formula in the form d = 3a + b/6 is used For finding the depth of ore influenced by the two holes having values and the percentage of area influenced, the angle at a given hole, containing ore, is divided by the sum of the two angles of the holes in which there is ore

  • STAGES OF EXPLORATION & RESERVE/ RESOURCE ESTIMATION

    Inferred Mineral Resource (333): Inferred from geological evidence Tonnage, grade and mineral content can be estimated with low level of confidence • Indicated Mineral Resource (332): Tonnage, shape, grade and mineral content can be estimated with reasonable level of confidence Location of boreholes, pits etc are too widely spaced •

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  • Mining Valuation Techniques P/NAV, P/CF, EV/Resource

    P/NAV
  • Cutoff grade estimation QueensMineDesignWiki

    Calculating The CutOff Grade
  • Estimation of the potential production rate

    If mining cost growth rate is expected to be high, the optimal production rate is should also be high to avoid higher mining costs in later years The final factor considered was the cost of capital (discount rate) It was found that for a low (~5%) and high (~35%) cost of capital, the production rate should be low, however between these points of cost and capital, the production rate should

  • METHODS OF ORE RESERVE ESTIMATIONEXAMPLE

    · The two primary concerns confronted are summarized as: 1 Extent (Size) Determination and 2 Value Determination Value and extent of a mineral deposit can be estimated using classical methods or geostatistical methods The simple yet accurate ore reserve estimation technique used is classical methods Classical methods employ simple geometric

  • CLASSICAL METHODS OF ORE RESERVE ESTIMATION

    · 1 Area = Area of Resulting polygon 2 Volume = Area x Average depth of drillhole 3 Tonnage = Volume x tonnage factor Determining the Value Value is dependent on the ore grade and therefore the average grade of the polygons are then used to establish the grades of each polygon

  • Estimation of Mineral Resources / Reserves

    · The CIM Estimation of Mineral Resources and Mineral Reserves Best Practice Guidelines (MRMR Best Practice Guidelines) were prepared by the Canadian Institute of Mining, Metallurgy and Petroleum's (CIM) Mineral Resources and Mineral Reserves Committee (CIM MRMR Committee) to update an earlier version that was accepted by CIM Council on November 23, 2003

  • Mining Valuation Techniques P/NAV, P/CF, EV/Resource

    An Example of Calculating TAC: Suppose that a publiclytraded stock’s market capitalization is $100 million dollars, and it owns 1 million ounces I can, therefore, acquire the asset for $100 dollars per ounce I know that the cost of building the mine divided by the number of ounces will be $200 dollars per ounce I also know that the average allandsustaining cost to operate the mine is

  • Metal Equivalent Calculation How to Calculate the

    Metal Equivalent Calculation – How to Calculate the Mineral Equivalents in Polymetallic Deposits When reading a company’s press release in which they announce their mineral resources and or reserves of a polymetallic deposit, you will often see them reporting in the metal equivalents of the primary metal The secondary mineral(s) are being multiplied by their own current mineral prices

  • Valuation of Aggregate Operations for Banking Purposes

    involved one pit; some were reserves with no ongoing operations; and some involved multiple pits together with asphalts and concrete plants Of the transactions noted only 25 actually published considerations; these amounted to more than $9 billion It is difficult to use these or any mineral transactions as direct comparisons for valuation purposes The best that can be done is to use them to

  • Mining & Investing: Valuing a Company | Avoid Glasses

    This is based on the quality and quantity of the reserves and resources held by the company This page will deal with EV, and we will illustrate this with charts shortly, after a comment about net present value Net Present Value The other method of valuing a company is to work out a companies Net Present Value (NPV) Here is what Paul Van Eaden is quoted as saying about NPV It goes

  • Financial reporting in the mining industry International

    mineral resources continues This publication does not describe all IFRSs applicable to mining entities but focuses on those areas that are of most interest to companies in the sector The everchanging landscape means that management should conduct further research and seek specific advice before acting on any of the more complex matters raised PwC has a deep level of insight into the

  • The Real Value of Gold in the Ground Mining News |

    · Because of dilution and mining losses, reserves will always be less than resources The geometry of a gold deposit is a critical factor For example, mineralization outside or below the depth of a potential openpit or below the depth of a shaft has no actual value The metallurgical process required to recover gold must be thoroughly understood and tested Many mines fail because of poorly

  • Mineral Resource Reporting Differences between CIM,

    · The SME Guide for Reporting Exploration Results, Mineral Resources, and Mineral Reserves has been adopted by the Society for Mining, Metallurgy, and Exploration, Inc (SME) in the USA and is used by members of this organization The latest SME Guide (2014) is recommended as a minimum standard for reporting Exploration Results, Mineral Resources and Mineral Reserves for

  • CLASSICAL METHODS OF ORE RESERVE ESTIMATION

    · The blog is made available to you by professional mining engineers for educational purpose only and to share basic knowledge in mining It does not necessarily qualify one in attaining a mining engineering degree Practical application of these

  • Estimation of Mineral Resources / Reserves

    · The CIM Estimation of Mineral Resources and Mineral Reserves Best Practice Guidelines (MRMR Best Practice Guidelines) were prepared by the Canadian Institute of Mining, Metallurgy and Petroleum's (CIM) Mineral Resources and Mineral Reserves Committee (CIM MRMR Committee) to update an earlier version that was accepted by CIM Council on November 23, 2003

  • FACT SHEET Mineral Resources and Reserves Estimation

    Mineral Resources and Reserves Estimation This factsheets clearly defines the meanings of resources and reserves and discusses how exploration and mining companies calculate these figures The basic geostatistical principles and process that are used in calculating these figures are covered, as are the different types of input data that are required for these methods Scope There

  • Reserves estimation AAPG Wiki

    · The material balance technique for calculating gas reserves, like material balance for oil, attempts to mathematically equilibrate changes in reservoir volume as a result of production The basic equation is The equations used to calculate OGIP original gas in place are Gas reservoir with active water drive: Gas reservoir with no water drive (W e = 0): where G = OGIP original gas in place (SCF

  • Mining Valuation Techniques P/NAV, P/CF, EV/Resource

    An Example of Calculating TAC: Suppose that a publiclytraded stock’s market capitalization is $100 million dollars, and it owns 1 million ounces I can, therefore, acquire the asset for $100 dollars per ounce I know that the cost of building the mine divided by the number of ounces will be $200 dollars per ounce I also know that the average allandsustaining cost to operate the mine is

  • (PDF) Ore reserve and mineral resource estimation

    Ore reserve and mineral resource estimation methods current practices and comparisons September 2003 Conference: Mineral Management Information Centre, Ministry of Land and Resources

  • Mining & Investing: Valuing a Company | Avoid Glasses

    This is based on the quality and quantity of the reserves and resources held by the company This page will deal with EV, and we will illustrate this with charts shortly, after a comment about net present value Net Present Value The other method of valuing a company is to work out a companies Net Present Value (NPV) Here is what Paul Van Eaden is quoted as saying about NPV It goes

  • Reserves and Resources | Lundin Mining Corporation

    Mineral Reserves for the Chapada open pit are estimated at a NSR cutoff of US$473 per tonne For the Suruca gold only Mineral Reserve estimates cutoff grades of 019g/t gold for oxides and 030g/t for sulphides are used Felipe Machado de Araujo, Mineral Resources Coordinator, Registered Member of Chilean Mining Commission formerly employed by Chapada prepared the Chapada and Suruca Mineral

  • ORE DEPOSITS 101 Part 11 Mineral Reserves,

    · Description

  • SprottEDU
  • Advanced Reserves Mining University

    The Maptek Vulcan Advanced Reserves Editor reports the contents of a Vulcan block model within a specific triangulation region or other criteria The Advanced Reserves Editor gives the user more flexibility than General Reserves (Block > Reserves > General) and can export the results in the familiar and userfriendly, comma seperated values (csv) format The following is an introduction to the

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