The total MI&I sulphide resources, as of June 2021 and inclusive of insitu and stockpile ore, at a 1.0% Cu cut-off are 92.4 million tonnes @ 2.2% Cu and 22.1 g/t Ag (~46% of the tonnes and contained metal are measured & indicated). The mineralization is predominately bornite, chalcocite, and chalcopyrite.

About this book. Mineral resource estimation has changed considerably in the past 25 years: geostatistical techniques have become commonplace and continue to evolve; computational horsepower has revolutionized all facets of numerical …

This short course will consider the detailed methodology of various resource/reserve estimation methods that are in common use in the Mining Industry. Emphasis will be on general procedures, inherent assumptions, and advantages and limitations of each of the principal methods. For many of the mineral ore estimation methods, decisions are ...

Errors and Uncertainty in Mineral Resource and Ore Reserve Estimation: The Importance of Getting it Right SIMON C. DOMINY; ... Mineral Resource and Ore Reserve estimates thus carry certain errors leading to uncertainty and risk; some of these are unquantifiable for various reasons, for which the operator should be aware. ...

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 ...

7. Mineral Reserve Estimation A Mineral Reserve estimate represents the collation of work carried out by numerous professional disciplines and, according to the CIM Standards, must be based on or demonstrated by the results of (at least) a Preliminary Feasibility Study. The QP responsible for Mineral Reserve estimation must understand the ...

Estimation of Mineral Resources and Mineral Reserves for industrial minerals requires special care. The estimation of an industrial minerals deposit is affected to a significant degree by a number of factors that are less applicable to metallic mineral deposits, including: particular physical and chemical characteristics; mineral quality issues; market size; the level …

In mining, ore resource and reserve estimation is used to determine both the quantity and quality of an ore deposit, also called tonnage and estimated economic value. It can be performed initially to assess mineral resources, but also along the mining process to calculate the remaining ore reserves. Different parts of a deposit may contain ...

attachment 1 mineral resource and ore reserve estimation. attachment 1 mineral resource and ore reserve . Mineral Resource and Ore Reserve Estimation Contents pages Mineral Resource and Ore Reserve Estimation The AusIMM Guide to Good Practice Best Practice in Coal Exploration and Resource Evaluation A Waltho, S Kristensen and C Harman 155 The Do's and Don'ts of …

results can help to refine the estim ation process. Methods For O re Reserve and Mineral Resource Estimation August 2003. Underlying Principles …

The Ore Reserve estimate as at end of 2019 comprises 11.4 Mt of open pit ore, at 6.0% Nb2O5 and 14.5% Total Rare Earth Oxides. SRK Consulting (Russia) Ltd was engaged to review the various studies on the project and prepare an independent estimate of the Mineral Resources and Ore Reserves in accordance with the guidelines of the JORC Code, the ...

Our modelling workflow enables the integration of multiple 3D and 2D datasets, and the real-time, rapid evaluation of exploration targets. These tools and our experience allows for rapid and seamless incorporation of results into resource and reserve estimations, mine planning and exploration targeting. A mineral resource estimate carries out ...

2005 LaRonde Mineral Resource & Mineral Reserve Estimate AgnicoEagle Mines Ltd. LaRonde Division metric thousand tonnes of zinc from 17.0 metric million tonnes of ore. In 2005, all the mineral reserves and most of the mineral resources at LaRonde are The 2005 mineral resources and mineral reserves estimate at LaRonde was based on the

Template:Cleanup rewrite Mineral resource estimation is used to determine and define the ore tonnage and grade of a geological deposit, from the developed block model. There are different estimation methods used for different scenarios dependent upon the ore boundaries, geological deposit geometry, grade variability and the amount of time and money available. A …

For further information, please get in touch with RSC's General Manager Resources and Reserves, Olivier Bertoli. Olivier Bertoli. Phone: +61 8 9467 1444. Mobile: +64 22 398 6037. rr@rscmme. GEOLOGICAL CONSULTING. Code-Compliant Reporting. Competent Person Reports. Mineral Resource Estimation.

The JORC Code is a framework for classifying Mineral Resource and Ore Reserve estimates. Mineral Resources can be classified as Measured, Indicated and Inferred, according to the level of geological knowledge and confidence. Ore Reserves can be classified as Proved or Probable on the basis of the Mineral Resource classification and ...

Mineral Resource and Ore Reserve estimates. The Company's Mineral Resource and Ore Reserve estimates are summarized in the Tables below. The effective date for the estimates is 31 December 2019. There is no material change to the base estimates since the original statement on 5 June 2017, apart from mining depletion and an update to the ...

Table 1: Mineral Resource Estimate – February 2015. 1 – Rounding may cause some computational discrepancies (TREO (metal) tonnes estimated from Mt x TREO%) Ore Reserve. An updated Ore Reserve for the Project of 3.8Mt of ore containing 2,294,000kg dysprosium and 26,375,000kg Total Rare Earth Oxide (TREO) was achieved in March 2015.

75. Practical Interpretation of Mineral Resource and Ore Reserve Classification Guidelines Text 76. Classification of Mineral Resources and Ore Reserves Text 77. Benefitting the Investor by Better Resources - Reserves Disclosure Text 78. Resources and Reserves: Their Uses and Abuses by the Equity Markets Text 79.

Copper – Mineral Resource & Ore Reserve Estimates – Metals ... Mineral Resource Estimate. The Mineral Resource estimates for Nifty Copper Operations are in compliance with the JORC Code (2012 Edition). The Nifty Oxide and Heap Leach Mineral Resource estimates as of 31 March 2017 and were published on 31 May 2017. The Nifty Sulphide Mineral ...

Resource-Reserve Classification Systems for Reporting Australia JORC Code - 2012 Canada CIM 2014 / NI 43-101 Europe PERC South Africa SAMREC Code United States SEC Industry Guide 7 / SME Russia own - A, B, C, P China Traditional and New (1999) United Nation Framework Classification for Fossil Energy and Mineral Reserves and Resources 2009

Ore-reserve 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 establishes the difference between rock that may and may not be …

The highly anticipated second edition of Mineral Resource and Ore Reserve Estimation - The AusIMM Guide to Good Practice presents up-to-date procedures to assist all levels of users looking to gain a detailed understanding of the science of Mineral Resource and Ore Reserve estimation._x000D_ This updated version remains non-prescriptive, supports consistency with …

49,000 ounces of gold, 191 tonnes of copper and 51,000 ounces of silver. Gadir Underground Mine – JORC (2012) Mineral Resources and Ore Reserves Statements at 30 June 2020. Anglo Asian, together with the mining and geological consulting group Mining Plus, prepared the Mineral Resources and Ore Reserves estimation of the Gadir deposit.

Workers in the field of mineral resource and ore reserve estimation (Davis, 1971) corrected this shortcoming by borrowing techniques from formal statistical theory. These include analysis of sample population, range, frequency distribution, histogram plot, mean, variance, standard deviation, correlation coefficients, analysis of variances, t ...

Resource and reserve estimation is a critical step in mine development and the progression from mineral exploration to commodity production. The data inputs typically change over time and reflect variations in geoscientific knowledge as well as the modifying factors required by regulation for estimating a reserve.

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.

The Chromite, Vanadium and Manganese Mineral Resource and Ore Reserve Statement at 31 December 2020 is based on the Glencore Ferroalloys "Procedure for the Estimation of Mineral Resources and Ore Reserves". Definitions of all the terms used in this report can be found in the relevant code. The Mineral Resource and Ore Reserve statements ...

The estimation of Mineral Resources and Ore Reserves is a team effort in which the geologist is arguably the essen- tial component, responsible for the resource model, which

Background [1] Estimating the physical characteristics (tonnage, grade, size, shape and location) of a mineral deposit is an extremely important process of the exploration phase within the overall mining operation. This …

Methods For Ore Reserve and Mineral Resource Estimation August 2003 Ben Whiting, P.Geo. Mine Financing & Mineral Management Canadian International Development Agency Queen's University, Canada ...

the 2003 Estimation of Mineral Resource and Mineral Reserves Best Practices Guidelines (MRMR BP Guidelines). The 2019 MRMR BP Guidelines contain extensive revisions and additions to the earlier version of the document. These revisions summarize and incorporate the practical knowledge and experience gained through real-world experience in preparing

Mineral Resources and their subsequent conversion to Ore Reserves are of key importance to mining companies. Their reliable estimation is critical to both the confidence in a feasibility study, and also to the day-to-day operation of a mine. Together with sampling, assaying, geological and other errors introduced during interpretation and estimation, additional errors are likely to be ...