The Calculation of Recoverable Reserves

2013-4-16  calculation. This section is dedicated to the different approaches for reserves calculation. A mining operation can never recover all of the in-situ resources. Some portion of the deposit will be inaccessible or unprofitable to mine. Recoverable reserves are a subset of the resources that can be economically and technically mined.

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calculation of reserves mining - greenrevolution.org

The calculation of Reserves is based on the ongoing profitable mining operations at the Hitura Mine. The key economic criteria that have been used for the calculation of reserves are based on the preceding 12 months of production at the mine, through to end of December 2011. infomine/index/pr/PB268777.PDFна сайте

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Reserves calculation - ScienceDirect

1986-1-1  During exploration and exploitation, the calculation of reserves is carried out for various purposes. a) After the end of each exploration stage, the calculated reserves are the main basis for an estimation of the potential of the deposit, whether further exploration would be

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THE IMPACT OF CALCULATION OF RESOURCES AND

underground mining engineering 35 (2019) 73-79 udk 62 university of belgrade - faculty of mining and geology issn 03542904 review paper the impact of calculation of resources and reserves on ...

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Ore Reserve Estimation Method

2017-3-24  Estimates of the tonnage and average grade of ore deposits (ore-reserve estimates) are made for various purposes. They may be made by examining engineers as a basis for placing a value on a mining property in connection with reports on behalf of owners or vendors, on the one hand, or for prospective purchasers or lessees, on the other.

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CIM Estimation of Mineral Resources and Mineral

2020-2-20  Mineral Reserves Best Practice Guidelines . Prepared by the . CIM Mineral Resource Mineral Reserve Committee . Adopted by CIM Council November 2 9, 2019 . Canadian Institute of Mining, Metallurgy and Petroleum. Suite 1250, 3500 de Maisonneuve Blvd. West Westmount, Quebec H3Z 3C1 CANADA Tel.: (514) 939-2710 Fax: (514) 939-2714 . mrmr.cim.org ...

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STAGES OF EXPLORATION RESERVE/ RESOURCE

2017-3-9  Estimating mining investment and planning of development of the deposit. 20-30 %: Proved. Investment decision mine planning: 10-20 %. Indicated: 20-40%. C 1: Long term development plans for projecting exploration needs. 30-60 %: Probable. Backup tonnage to proved reserves for investment decision for mine development/ likely geological reserve ...

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CLASSICAL METHODS OF ORE RESERVE ESTIMATION -

2016-3-2  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.

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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

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Financial reporting in the mining industry International ...

2015-11-18  pwc\mining Financial reporting in the mining industry International Financial Reporting Standards 6th edition

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calculation of reserves mining - greenrevolution.org

Calculation of Reserves and Deposit Evaluation DMT Co. KG. Calculation of Reserves and Deposit Evaluation The volume of the mineral deposits is determined on the basis of the 3-D models.Our customers include mining companies, suppliers to the mining industry, international development banks, government geological services, and so on.

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The Calculation of Recoverable Reserves

2013-4-16  calculation. This section is dedicated to the different approaches for reserves calculation. A mining operation can never recover all of the in-situ resources. Some portion of the deposit will be inaccessible or unprofitable to mine. Recoverable reserves are a subset of the resources that can be economically and technically mined.

Get Price

THE IMPACT OF CALCULATION OF RESOURCES AND

underground mining engineering 35 (2019) 73-79 udk 62 university of belgrade - faculty of mining and geology issn 03542904 review paper the impact of calculation of resources and reserves on ...

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Reserves calculation - ScienceDirect

1986-1-1  The calculation of reserves depends particularly on the methods used in determining the trace element content. 1. The correlation method is based on the correlation between the main and the trace elements. The coefficient of correlation is determined numerically or graphically using a

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Ore Reserve Estimation Method

2017-3-24  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. Ore-reserve estimates include the determination of (1) tonnages of

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CLASSICAL METHODS OF ORE RESERVE ESTIMATION -

2016-3-2  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.

Get Price

CIM Estimation of Mineral Resources and Mineral

2020-2-20  Mineral Reserves Best Practice Guidelines . Prepared by the . CIM Mineral Resource Mineral Reserve Committee . Adopted by CIM Council November 2 9, 2019 . Canadian Institute of Mining, Metallurgy and Petroleum. Suite 1250, 3500 de Maisonneuve Blvd. West Westmount, Quebec H3Z 3C1 CANADA Tel.: (514) 939-2710 Fax: (514) 939-2714 . mrmr.cim.org ...

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STAGES OF EXPLORATION RESERVE/ RESOURCE

2017-3-9  2017-3-9  Estimating mining investment and planning of development of the deposit. 20-30 %: Proved. Investment decision mine planning: 10-20 %. Indicated: 20-40%. C 1: Long term development plans for projecting exploration needs. 30-60 %: Probable. Backup tonnage to proved reserves for investment decision for mine development/ likely geological reserve ...

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METHODS OF ORE RESERVE ESTIMATION_EXAMPLE -

2019-8-18  2019-8-18  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 ...

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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

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STAGES OF EXPLORATION RESERVE/ RESOURCE

2017-3-9  Estimating mining investment and planning of development of the deposit. 20-30 %: Proved. Investment decision mine planning: 10-20 %. Indicated: 20-40%. C 1: Long term development plans for projecting exploration needs. 30-60 %: Probable. Backup tonnage to proved reserves for investment decision for mine development/ likely geological reserve ...

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METHODS OF ORE RESERVE ESTIMATION_EXAMPLE -

2019-8-18  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 ...

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PAPER OPEN ACCESS Ore Reserve Estimation of Saprolite ...

4.1 Reserve Calculation Method To find out the nickel ore reserves contained in the research area of PIT Block 3A, calculated using non-conventional methods that use Surpac 6.2. Firstly, this research is done by making geological database and block model to calculate the area and volume of existing reserves as reference reserves

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Mining Financial Model Valuation - PGO

2019-2-19  Calculate the value of a mining asset Run sensitivity analysis on the value of that asset Read a technical report / feasibility study and gather the important ... Slowly deplete reserves at a constant rate and grade Specific volume and grade each year corporatefinanceinstitute Mining Section. corporatefinanceinstitute

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Reserves and Resources Lundin Mining Corporation

The estimates were reviewed and verified by Graham Greenway, P.Geo, and David Allison, Group Mining Engineer, CEng MIMMM, Lundin Mining. Both Messrs. Greenway and Allison are Qualified Persons as defined under NI 43-101. The Eagle Mineral Resources and Reserves are reported above a fixed NSR cut-off of US$108/t.

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

Price to Net Asset Value (P/NAV) P/NAV is the most important mining valuation metric, period. “Net asset value” is the net present value (NPV) or discounted cash flow (DCF) value of all the future cash flow. Cash Flow Cash Flow (CF) is the increase or decrease in the amount of money a

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RESERVES ESTIMATION OF LIMESTONES USING CROSS

2012-11-28  Got mine life calculation based on planned production targets, ie 36 288 tons / year. Life of the mine at Mount Pokerso using Method Cross Section is 35.94 years 36 years, while the Contour Method was 33.52 years 34 years. Keywords: Limestone, Reserves

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How to Calculate the Reserve Life Index Bizfluent

2017-9-26  The reserve life index measures the length of time it will take to deplete a resource. The RLI often is used to measure how long a well or mine will last, such as for oil, natural gas or minerals. Typically, the higher the RLI, the higher the quality of the asset. For example, an oil well with a

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Mining - Coinario

The proof-of-work system/protocol, was first used in the mid-1990's for fighting spam emails. The idea never found a truly useful cause until 2009 when bitcoin was created. Bitcoin itself utilizes this protocol in its transaction blockchain and thanks to this we can witness the growth in bitcoin mining.

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(PDF) Calculation of amount and quality of reserves in ...

Calculation of amount and quality of reserves in previously mined seam of the mine Jiří. ... achieved as a result of complex turning during identical reserves ... [Show full abstract] mining.

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