attachment 1 mineral resource and ore reserve estimation

New Liberty Process Plant Nameplate Capacity

and probable mineral reserve of 8.5 Mt with 924,000 ounces of gold grading 3.4 g/t and an estimated measured and indicated mineral resource of 9,796 Kt with 1,143,000 ounces of gold grading 3.63 g/t and an estimated inferred mineral resource of 5,730 Kt with 593,000 ounces of gold grading 3.2 g/t.

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Resource/reserve estimation and inventory; can reporting ...

Resource/reserve estimation and inventory; can reporting definitions substitute for standards? Marcel A. Vallee Geoconseil Marcel Vallee, Sainte-Foy, PQ, Canada

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Wiluna Mining Corporation Ltd (ASX:WMX) Further ...

This will enable the Company to complete detailed Mineral Resources and Reserves estimates as part of the Stage 1 sulphides exp ... to its Mineral Resource estimation in September 2020 and ...

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Application of UNFC-2009 to the Uranium Resources of the ...

Aker Solutions ("Aker") conducted an updated resource and reserve estimation for the Central Zone in 2008 using a 0.068% U cut-off grade and a 1.4 m cut-off thickness. Area Category Ore(kt) %U tU Central zone Proven Reserves 914.5 0.168 1,538 Probable Reserves 4,128 0.130 5,346 Total Reserves 5,043 0.137 6,884 Inferred 795 0.107 847 1.

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Mineral resource classification - Wikipedia

Mineral reserves and ore reserves. Mineral reserves (or ore reserves) are resources known to be economically feasible for extraction. Reserves are either Probable Reserves or Proved Reserves.. A Probable Ore Reserve is the part of indicated, and in some circumstances, measured mineral resources that can be mined in an economically viable fashion. It includes diluting material and …

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Errors and uncertainty in mineral resource and ore reserve ...

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 ...

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JORC Code Archives - Mining Consulting Firm - Independent ...

OceanaGold files NI43-101 Technical Report and JORC Table 1 for Haile Gold Mine Oct 19, 2015 By in Mining Studies Tag Australasian Code for Reporting of Exploration Results, JORC Code, Mineral Resources, Mineral Resources and Ore Reserves, NI 43-101, Technical Report

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KEFI Minerals plc

highly prospective Arabian-Nubian Shield, with an attributable 1.93Moz ( of Tulu Kapi's 1.72Moz and 40% of Jibal Qutman's 0.73Moz) gold Mineral Resources (JORC 2012) plus significant resource growth potential. KEFI targets that production at these projects generate cash flows for further

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PRESS RELEASE 25 NOVEMBER 2015 ACQUISITION OF COMET …

MINERAL RESOURCE ESTIMATE Prospect Measured Indicated Inferred Total k tonnes g/t Au k Oz Au k tonnes g/t Au k Oz Au k tonnes g/t Au k Oz Au k tonnes g/t Au k Oz Au Comet - - - 1,205 4.9 192 1,252 4.2 34 1,458 4.8 226 Lunar/Solar - - - - - - 65 1.2 3 65 1.2 3 Pinnacles 60 1.5 3 1,130 1.7 62 1,090 1.7 60 2,280 1…

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Latest IQPR further validates the mineral resources and ...

approximately 2,559 kt of Inferred Mineral Resources with an average grade of approximately 6.5 g/t of gold (in accordance with the JORC Code 2012 Edition). This 1 The 2012 Edition of the Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves …

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CSA/ACVM Canadian Securities

Section 3.6 – The CIM standard definitions should be used for estimating and reporting diamond mineral resources and mineral reserves pending the updating of the Guidelines for Reporting of Diamond Exploration Results, Identified Mineral Resources and Ore Reserves, published by the

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Western Areas Announces New And Extremely High Grade Zone ...

Feb 12, 2017· WAD002A intersected massive sulphide comprising 2.6m at 12.6% nickel, including 1.6m at 18.0% nickel; WAD002W1W1W1 intersected massive sulphide comprising 5.3m at 15.2% nickel, including 3.4m at ...

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Aura Provides Update on Mineral Reserves and Resources for ...

Mar 03, 2020· Notes: The Mineral Reserve estimates were prepared in accordance with the CIM Definition Standards for Mineral Resources and Mineral Reserves, adopted by the CIM Council on May 10, 2014, and the ...

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Orebody Modeling and Resource Estimation | Mining | SGS

Resource estimation Ore reserve evaluation Geostatistical analysis ; Independent, transparent reserve and resource estimation and evaluation services give SGS clients a competitive edge. At SGS, we ensure that your resource evaluations are accurate and completed in a fair and transparent manner.

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FACT SHEET Mineral Resources and Reserves Estimation

Figure 1. A cartoon showing the relationship between mineral resources and mineral reserves. The process of resource estimation is used to define a mineral resource in three dimensions, with the ultimate aim of determining both the size (typically reported in tonnes) and grade (generally expressed as the metal or mineralcontent in wt. % or g/t ...

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Mineral Resource and Ore Reserve Estimation - The AusIMM ...

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 interpretation, a reliable representation of the mineralized deposit, its geometry, its grade distribution, its metallurgical variability and its density.

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Mineral resource classification - Wikipedia

Mineral resource classification is the classification of mineral resources based on an increasing level of geological knowledge and confidence. In an effort to achieve a standard set the classifications, representative bodies from Australia, Canada, South Africa, the USA and the UK reached a provisional agreement in 1997 on the definitions of each of the various mineral classifications.

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Kazakhstan

Reserve (Tonnage/ Grade) Lat (deg) Lat (min) Lat (sec) Latitude Lon (deg) Lon (min) Lon (sec) Longitude Map No Reference Additional data, 2001 1 50 Years of October CuZn M Hyd Str LPz Ore …

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METHODS OF ORE RESERVE ESTIMATION_EXAMPLE - Basic …

METHODS OF ORE RESERVE ESTIMATION_EXAMPLE Cedrick Kau. August 18, 2019 Break even cut off grade ... 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.

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Argonaut Gold Announces the Collegiate Tribunal Has Ruled ...

Jun 29, 2018· 1 Argonaut Gold Announces the Collegiate Tribunal Has Ruled to Reinstate the Explosives Permit at the La Colorada Mine Toronto, Ontario – (June 29, 2018) Argonaut Gold Inc. (TSX: AR) (the "Company", "Argonaut Gold" or "Argonaut") is pleased to announce that the Collegiate Tribunal (an arm of the State

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Mineral Resources Reserves - Glencore

Exploration Results, Mineral Resources and Ore Reserves (the JORC Code), December 2004. The Chromite, Vanadium and PGM's Mineral Resource and Ore Reserve Statement at 31 December 2011 is consistent with the JORC code and is based on the Xstrata Alloys "Procedure for the Estimation of Mineral Resources and Ore Reserves", reference

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Estimating Ore Reserves - Mineral Processing & Metallurgy

The methods of sampling and ore reserve estimating used can fall into two divisions because of the difference in occurrence, manner of prospecting, and methods of mining: that for the underground operations and that for a shovel operations.. The orebodies may be divided into three classes: Replacements of limestone, replacements of porphyry, and replacements of contact breccia.

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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 as of 31 December 2019 and was published on 10 March 2020.

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July09 Resource and Reserve Update

recorded a net increase in resources at Pardoo following the addition of the Alice Extension Deposit; and updated Pardoo and Abydos Ore Reserves and completed an initial Reserve for Anson at Wodgina. Total DSO Resources are summarised below. A full breakdown of the resources can be found in Attachment 1. Atlas Summary Resource Table - July 2009 ...

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STAGES OF EXPLORATION & RESERVE/ RESOURCE …

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. • Measured Mineral Resource (331): that part of mineral resource for which tonnage, density, shape, grade and

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Mineral Resource Estimation - Semantic Scholar

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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Ore Grade Reconciliation Techniques – A Review

1. Introduction. Parhizkar et al. [] define ore grade reconciliation as comparing the values of grade estimation in exploration stage with actual grade obtained from blasthole data. Riske et al. [], in their definition, also refer to reconciliation as the process of identifying, analysing and managing variance between planned and actual results in such a way that highlights opportunities.

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Eldorado Gold Corporation

mineral resources. and reserves. 5. ... the 323 zone, which resource estimate will be . released in 2010. 15. Tanjianshan mine Commenced commercial production in February 2007. 2010 production is planned to be 105,000 oz of ... 747,000 oz of P+P gold reserves. 852,000 oz of M+I gold resources.

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