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calculation of reserves mining

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Mineral Reserve Estimation In The Real World

Jan 27, 2010· Resource and Reserve Classification Increasing Confidence in Geologic Data Mineral Resources Mineral Reserves sibility Study cal Measured Proven minary Feas Indicated Probable Prelim Inferred Application of economic, financial, regulatory, legal, social, environmental impacts to mining, processing, and commercial p parameters September 22, 2009 12

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Resources and Reserves - CliffsNotes

Reserves are that subgroup of a resource that have been discovered, have a known size, and can be extracted at a profit. For example, of the world's estimated oil resource of three trillion barrels, the world's reserves are estimated at about a third of that amount. Factors that affect profitability include the demand, market price, mining ...

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Reserve Calculations for Homeowner Associations | Carr ...

Staying Afloat: Reserve Calculation Methods for Homeowner Associations. Condominium associations in Florida are required to maintain reserves for roofing, painting, paving, and any other deferred maintenance project with an estimated cost of more than $10,000. Associations may calculate these required reserves using the component (straight-line ...

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Mining Financial Modeling Course - Mining Valuation | CFI

Mining financial modeling & valuation course objectives. By the end of this mining valuation course you will be able to: Understand key mining terms and definitions used in the industry and in valuation; Understand the mining life cycle from start to finish for assets, projects, and operating mines

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Resources and Reserves - CliffsNotes

Reserves are that subgroup of a resource that have been discovered, have a known size, and can be extracted at a profit. For example, of the world's estimated oil resource of three trillion barrels, the world's reserves are estimated at about a third of that amount. Factors that affect profitability include the demand, market price, mining ...

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Break-even is broken - AusIMM Bulletin

Whittle G, 2015. Whittle Optimisation – the money mining methodology and its impact on ore reserves, in Mineral Resource and Ore Reserve Estimation – The AusIMM Guide to Good Practice, second edition, Monograph 30, pp 525 – 528 (The Australasian Institute of Mining and Metallurgy: Melbourne).

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Valuation of a Coal Property - Mine Valuation, mineral ...

Mining Industry Practitioners 1. Calculate an NPV for the coal or mineral property 2. Call the NPV Market Value 3. Wrap a property description around it 4. Label the report an Appraisal 5. .

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Depletion Method | Explanation | Formula | Examples ...

In extraction and mining industry, entities have fixed assets mines, quarries and wells to extract natural resources like coal, oil, timber, metal, salt etc. Unlike property, plant and equipment that are used during the period, these assets get consumed as a result of extraction. For such assets, depreciation is calculated using depletion method. Depletion is allocation of cost of natural [.]

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Mining & Investing: Valuing a Company | Avoid Glasses ...

There is going to be wide differences in the Enterprise value per ounce of different companies. One of the key factors behind these differences is the certainty of the resources and reserves a company holds. The greater the percentage of their resource that is in the category of Reserve the better.

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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.

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How To Calculate The Value Of A Guard & Reserve Retirement ...

Jan 15, 2020· The Defense Finance and Accounting Service used the Tower Amendment to calculate the High-36 average to give you the higher pay base to use in the Reserve pension calculation. That's the average of the 18 months of O-6 pay and the 18 months of O-5 pay for the pay tables in effect at the time you started your pension.

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Resource and Reserve Calculation in Seam-Shaped Mineral ...

In recent years, the introduction of specific software for the evaluation of geological resources and mineral reserves has increased significantly thanks to the use of block models capable of working with large databases and applicable to virtually all types of deposits. It is only in layered, tabular-shaped deposits where the use of block models poses certain drawbacks, not only in .

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Resource and Reserve Calculation in Seam-Shaped Mineral ...

In recent years, the introduction of specific software for the evaluation of geological resources and mineral reserves has increased significantly thanks to the use of block models capable of working with large databases and applicable to virtually all types of deposits. It is only in layered, tabular-shaped deposits where the use of block models poses certain drawbacks, not only in terms of ...

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Classification of Mineral Resources and Reserves | Geology ...

Oct 17, 2019· The terminology used to define mineral assets is divided into 2 major groups: Resources and Reserves. Figure 1. Resources and Reserves: The relationships between the five groups of mineral asset reporting. Mineral Resources. A Resource is a concentration of a minerals that has a reasonable prospect of economic extraction.

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Reporting Mineral Resources and Ore Reserves – how ...

Mineral Resources Inferred Ore Reserves (the "Modifying Factors"). Consideration of mining, processing, metallurgical, infrastructure, economic, marketing, legal, environment, social and government factors Figure 1. General relationship between Exploration Results, Mineral Resources and Ore Reserves (JORC Code, 2012).

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Valuation of Mineral Resources in Selected Financial and ...

May 25, 2014· A mineral resources reporting system most commonly observed by resource companies is the JORC Code. Created in Australia and widely recognized in many other countries which clearly restricts itself only to solid minerals [4], thus leaving oil & gas outside it's scope. Even in Australia a separate Petroleum Resources Man-

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Calculation and Management for Mining Loss and Dilution ...

quantity or metal quantity to industrial reserve or metal quantity during the mining process. Ore loss shall be examined by two different indicators. One is the indus-trial ore quantity loss rate (hereinafter referred to as ore loss rate) for calculating the ore loss in the mining field, mining team or work area.

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Ore Reserve Estimation Method

Table of ContentsAssay Maps and SectionsVolume and Tonnage EstimatesOre Volume CalculationOre Tonnage CalculationsOre Grade EstimationEstimates based on Drill-Hole DataOre Reserve Estimate EXAMPLE 1Ore Reserve Estimate EXAMPLE 2Estimates based on Underground SamplingWeighting of Assays of Individual SamplesErratic High .

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MINERAL FORMULA CALCULATIONS

To calculate mineral formula requires transforming weight percent into atomic percent or molecular percent MINERAL FORMULA CALCULATIONS (cation valence in parentheses) ! SiO 2 TiO 2 (+4) ! Al 2O 3 Cr 2O 3 Fe 2O 3 (+3) ! MgO MnO FeO CaO(+2) ! Na 2O K 2O H 2O (+1) ION COMPLEXES OF IMPORTANT CATIONS.

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Reserves and Resources | Fortuna Silver Mines Inc.

Mineral Reserves for the San Jose Mine are based on underground mining within optimized stope designs using an estimated NSR break-even cut-off grade of US$64.54/t, equivalent to 138 g/t Ag Eq based on assumed metal prices of US$17/oz Ag and US$1,380/oz Au; estimated metallurgical recovery rates of 91 % for Ag and 90 % for Au and mining costs ...

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Cut-Off Grades For Mineral Resource Reporting: Going The ...

A cut-off grade (COG) is an industry-accepted standard expression used to determine what part of a mineral deposit to include in a mineral resource estimate (MRE). For MRE reporting, COGs tend to be rounded down to ensure that material of no economic significance is excluded from the resource.

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Geology, Resource & Reserve Estimation - RPA Inc.

Mineral Resources are classified into Measured, Indicated, and Inferred categories based upon the density of data and confidence level on the resource estimate. Mineral Reserves are classified into Proven and Probable categories based upon the corresponding resource category and economic mining .

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Petroleum Reserves Estimation Methods

When calculating reserves using any of the above methods, two calculation procedures may be used: deterministic and/or probabilistic. The deterministic method is by far the most common. The procedure is to select a single value for each parameter to input into an appropriate equation, to obtain a single answer.

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Mineral reserve estimation - YouTube

May 01, 2016· Easy-to-Understand Explanation of Mineral Resources & Reserves for Mining Stock Investors - Duration: ... Calculating Thickness - Duration: 6:59. Geo Logic 31,250 views. 6:59. 8.01x ...

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THE SME GUIDE FOR REPORTING EXPLORATION RESULTS, .

Mineral Reserves (the 2014 SME Guide) has been adopted by the Society for Mining, Metallurgy, and Exploration, Inc. (SME) and is therefore strongly recommended to be used by members of this organization. ii. The Guide is recommended as a minimum standard for reporting Exploration Results,

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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 ever-changing landscape means that management should conduct further research and seek specific

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Valuation of Mineral Resources in Selected Financial and ...

May 25, 2014· A mineral resources reporting system most commonly observed by resource companies is the JORC Code. Created in Australia and widely recognized in many other countries which clearly restricts itself only to solid minerals [4], thus leaving oil & gas outside it's scope. Even in Australia a separate Petroleum Resources Man-

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Geomodelling, resource & reserve estimation using mining ...

Sep 13, 2013· Resource and Reserve Estimation Iso-core grid Density / Specific gravity Recovery factor • Considering Geological disturbance and mining loss Topo grid Quality grid 11. Reserve Estimation Geological Reserves Thickness wise Grade wise Depth wise Mineable Reserves Extractable Reserves Barrier - infrastructure, Bench, conveyor belt etc.

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Chapter 9 lecture Flashcards | Quizlet

9-10 Martell Mining Company's ore reserves are being depleted, so its sales are falling. Also, because its pit is getting deeper each year, its costs are rising. As a result, the company's earnings and dividends are declining at the constant rate of 5% per year. If D0 = $5 and rs = 15%, what is the value of Martell Mining.

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JORC : Mineral Resources and Ore Reserves

They include, but are not limited to, annual and quarterly company reports, press releases, information memoranda, technical papers, website postings and public presentations of Exploration Results, Mineral Resources and Ore Reserves estimates. The JORC Code was first published in 1989, with the most recent revision being published late in 2012.

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