attachment mineral resource and ore reserve estimation

Classification of Mineral Resources and Reserves

Mineral Reserves. The difference between a resource and reserve boils down one thing: a feasibility study. At the very least a preliminary, or "pre-feasibility" study must be completed which takes into account the "Modifying" non-geological factors. These include technical factors include mining, processing, metallurgy.

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Mineral Estimates – Reserves vs Resources — New Pacific Metals

Mineral Reserves are sub-divided in order of increasing confidence into Probable Mineral Reserves and Proven Mineral Reserves. Mineral Reserves are those parts of Mineral Resources which, after the application of all mining factors, are the basis of an economically viable project after taking account of all relevant processing, metallurgical

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Reserve Estimation

The Statistical-Geostatistical model is a part of resource and reserve appraisal system. The traditional methods of ore reserve estimation developed based on the characteristics and value of the surrounding ground. The procedures do not consider any valid way to measure the reliability or uncertainty of the tonnage and grade.

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THE SOUTH AFRICAN CODE FOR THE REPORTING OF

EXPLORATION RESULTS, MINERAL RESOURCES AND MINERAL RESERVES (THE SAMREC CODE) it is recognised that the term Ore Reserve is still in general use. For the purposes of reporting under the SAMREC element of the Mineral Resource and/or Mineral Reserve estimation process undertaken in order to validate adherence to standards and procedures

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Changes to Boron Ore Reserves and Mineral Resources

Changes to Boron Ore Reserves and Mineral Resources . 2. March 2018 . Rio Tinto's 2017 annual report, released to the market today, includes significant changes in estimates of Ore Reserves and Mineral Resources at the Boron open pit mine in Boron, California (RTB Boron), compared to the previous estimate in the 2016 annual report.

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Mineral Reserves and Mineral Resources

Mineral Reserves and Mineral Resources estimates of silver ounces for Puna Operations, comprised of to and processing of ore at the Pirquitas plant, of 60.00 grams per tonne silver equivalent based on Mineral Resources estimate for the open pit is reported at a

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The Companies Officer Australian Securities Exchange Ltd

Fortescue Ore Reserves and Mineral Resources Update: Operating Properties . Fortescue Metals Group (ASX:FMG, Fortescue) presents the Ore Reserves and Mineral (Attachment 1 Hematite Ore Reserve and Mineral Resources – The Mineral Resource estimate for each deposit is based solely on reverse circulation (RC) drilling (in

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Geostatistics and resource estimation techniques

A Mineral Reserve includes diluting materials and allowances for losses that may occur when the material is mined. Probable Mineral Reserve. A probable mineral reserve is the economically mineable part of an Indicated and, in some circumstances, a Measured Mineral Resource demonstrated by at least a Preliminary Feasibility Study.

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Mineral Resource and Ore Reserve Estimation

Mineral Resource and Ore Reserve Estimation - The AusIMM Guide to Good Practice: (Monograph 23) Details. Estimation of a mineral resource is the starting point to successful mine development. A reliable estimate combines good quality and relevant data, competent geological interpretation and a methodology for producing from that data and

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MINERAL RESOURCES AND ORE RESERVES

MINERAL RESOURCES AND ORE RESERVES GOVERNANCE BC Iron's Mineral Resources and Ore Reserves as at 30 June 2017 are reported in accordance with JORC (2012) guidelines except for the Maitland River Mineral Resource estimate, which is reported in accordance with JORC (2004) guidelines on the basis that the information has not materially changed.

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Exploration and Reserve Estimation

complex problems focused on water, environment, energy, infrastructure, and resource management. With 13,000 employees worldwide, Tetra Tech's capabilities span the entire project life cycle. Commodity Types Ore Estimation UK Tetra Tech supports resource evaluations with initial data collection, drill hole planning, and mineral reserve estimates.

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Monograph 30

Description. 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.

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Mineral resource estimation

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 (see below) used for different scenarios dependent upon the ore boundaries, geological deposit geometry, grade variability and the amount of time and money available.

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Attachment 1

Aug 19, 2016Ore Reserves and Mineral Resources are reported in accordance with the Australian Code for (Attachment 1 – Hematite Ore Reserve and Mineral Resources Data and Resource Estimation The resource estimate for each deposit is based solely on reverse circulation (RC) drilling (in addition, 236

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Mineral Exploration

Chapter 8 - Mineral Resource and Ore Reserve Estimation. Pages 137-155. Select Chapter 9 - Statistical and Geostatistical Applications in Geology. Book chapter Full text access. Chapter 9 - Statistical and Geostatistical Applications in Geology. Pages 157-182. Select Chapter 10 -

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Mineral Resource Estimation

Mineral Resource Estimation, in Mineral Resource and Ore Reserve Estimation – The AusIMM Guide to Good Practice (Ed: A C Edwards), pp189-198 (The Australasian Institute of Mining and Metallurgy: Melbourne). 189 Mineral Resource Estimation By I M Glacken1 and D V Snowden2 INTRODUCTION The process of estimating a Mineral Resource can only take

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Explanatory Notes

Newcrest Mining Limited – Explanatory Notes to the Annual Mineral Resources and Ore Reserves Statement – 31 December 2016 3 Table 2 – 31 December 2016 Gold Mineral Resources NOTE: Data is reported to two significant figures to reflect appropriate precision in the estimate and this may cause some apparent discrepancies in totals 1 Gosowong (inclusive of Toguraci and Kencana) is owned and

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2017 Mineral Resources and Ore Reserves Update

Mar 15, 2018Development projects Mineral Resources based on the gold price of US$1,550/oz for Gross (US$1,600/oz in 2016) and US$1,300/oz for Montagne d'Or (unchanged from 2016). (2) Ore Reserves were estimated using a gold price of US$1,250/oz (US$1,200/oz in 2016), and operational costs for the first 9 months of 2017.

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STAGES OF EXPLORATION RESERVE/ RESOURCE

STAGES OF EXPLORATION RESERVE/ RESOURCE ESTIMATION . IN . GEOLOGICAL SURVEY OF INDIA . B.B.SHARMA . Director . Ore reserves estimated. Reconnaissance Mineral Resource (334): Estimate based on preliminary field inspections, regional geological studies

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Ore Reserve estimates and changes in Commodity Price

For the CEO it's important to understand that a re-estimation of the Ore Reserve with a different price can take some time. If appropriate sensitivity testing is done at the study level and in each revision of the Ore Reserve, then the CEO and the market can be informed of the valid ranges and when a new Ore Reserve estimate is required.

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Resource and Ore Reserve Statements

SUMMARY OF MINERAL RESOURCES AND ORE RESERVES Mineral Resources Phu Kham (including KTL) Depletion from mining during 2013 and block model adjustments to marginally mineralised material in contact with the footwall fault account for the changes to the 31 December 2013 Phu Kham Mineral Resource when compared with the 31 December 2012 estimate.

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Reserve Estimation

The Statistical-Geostatistical model is a part of resource and reserve appraisal system. The traditional methods of ore reserve estimation developed based on the characteristics and value of the surrounding ground. The procedures do not consider any valid way to measure the reliability or uncertainty of the tonnage and grade.

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NIAFARANG PROJECT ORE RESERVE

Zones 1-5 in the Ore Reserve estimate (Tables 1 and 2) correspond to the East strandline in the Mineral Resource estimate (Table 3), as do Zone 6 and the West strandline. The deposit is made up of various blocks containing both ore and waste although the Mineral Resource estimate above includes ore tonnes only and does not include the

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Mineral resource and ore reserve estimation : the AusIMM

/ M A Nopp -- Mine design stages in Russia / A Tverdov and S Nikishichev -- Resource and reserve valuation practices in countries forming the Russian Commonwealth of Independent States / H Arden and A Tverdov -- Rio Tinto mineral resource and ore reserve governance / S J Hunt and C S Eldridge -- Liability issues arising in relation to

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June 2017 Mineral Resources Ore Reserves Statement

MMG has established processes and structures for the governance of Mineral Resources and Ore Reserves estimation and reporting. MMG has a Mineral Resources and Ore Reserves Committee that regularly convenes to assist the MMG Governance and Nomination Committee and the Board of Directors with respect

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2014 Mineral Resource and Ore Reserve Summary

2014 Mineral Resource and Ore Reserve Summary PanAust today reported1 the results of the 2014 Ore Reserve and Mineral Resource estimates as at 31 December 2013 under 'The JORC Code, 2012 Edition' for the Company's Phu Kham Copper‐ Gold and Ban Houayxai Gold‐Silver Operations, Laos.

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Resources

Training in mining geology processes and resource estimation. Integrated software solutions. CSA Global's Resources team operates a range of software, which means we are able to provide block models in your required format. The main software packages we use are Datamine, Surpac, Micromine, Isatis, Leapfrog, Vulcan and Supervisor.

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Monograph 30

Description. 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.

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Ore Grade Reconciliation Techniques – A Review

"A Strategy to Minimise Ore Grade Reconciliation Problems between the Mine and the Mill", in Mineral Resource and Ore Reserve Estimation – The AusIMM Guide to Good Practice, Edwards, A. C. (ed.), The Australasian Institute of Mining and Metallurgy (The AusIMM), Melbourne, pp. 557-566.

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Improving assurance for Mineral Resource and Ore Reserve

Mineral Resources and Ore Reserves are the key assets of a mining company, and senior management, company boards and external stakeholders require assurance on the accuracy of estimated and reported technical information Risk is an inherent component of the mining industry, and risk governance is an

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