After a few high profile miningexploration scams brex the canadian government, and many. The paper outlines the various components of the qaqc framework. Principles and applications, second edition, presents an interdisciplinary approach on the full scope of mineral exploration. Qa qc procedures qaqc procedures as part 2 comprise of general and functional procedures. It is the project managers responsibility to ensure specific activity qaqc procedures and. Qa qc procedures insertion of blanks, duplicates of both types and standards occur at regular intervals in sampling. Dec 31, 2015 onlease exploration, quality assurance and quality control qaqc onlease exploration gold fields believes that onlease brownfield exploration offers the best route to lowcost, lowrisk growth in wellunderstood jurisdictions that can generate cash in the medium term. Jul 24, 20 qa systems and procedures occur before a batch of samples is sent to the laboratory for analysis. Sampling of runofmine mill feed a practical approach. Qaqc plan 1052012 4 quality control plan summary the quality control plan qcp for the project has been developed to ensure that all work will be performed in accordance with the contract requirements.
Pdf a comprehensive qaqc methodology designed to enhance. Cim mineral exploration best practice guidelines standards, best. More comprehensive but also more expensive procedures should target. Sampling and analysis protocols and their role in mineral exploration and new. Goal the goal of qa is to improve development and test processes so that defects do not arise when the product. Project documents that a qa qc engineer must read before. Section 00 14 00 quality assurancequality control b. Typically, qa involves the addition of check samples including. Cim mineral exploration best practice guidelines november 23, 2018. Good control on the quality of data generated during the exploration drilling and project evaluation phase is. We use standardized forms and established qaqc procedures when collecting field data to ensure. Quality control and public reporting in industrial minerals csa global. Detailed quality assurance qa and quality control qc protocols. To accomplish this, the producer is required to have a functional plan to keep the process in control.
Pdf quality assurance and quality control measures. Appropriate sampling and quality assurancequality control qaqc procedures are essential in all aspects of the mineral deposit evaluation process to ensure the best possible confidence in resultant mineral resource and reserve estimates are achieved. Gold fields mineral resource and mineral reserve supplement. Since it is the most important part of exploration, it is important to verify the quality and assure the accuracy of results obtained from those samples. Implementation of appropriate quality assurance and quality control qaqc procedures during exploration ensures the trustworthiness of the data produced. Qc aims to identify and correct defects in the finished product. The specification is a set of requirements or detailed description of work to be done, materials. His skills also include a focus on the implementation andor assessment of exploration and development projects including logistics, drilling, geology, industry best practices, and qa qc methods. Exploration results and mineral resource estimate for the. Request pdf quality control and assurance qaqc the chapter provides a detailed. Procedures for testing for errors and verifying results.
The reasons for sampling in a mineral processing plant are5. Worldleading quality assurance and quality control services. Qaqc procedure in mineral exploration emphasized after the occurrence of 1997. Sampling and qaqc procedure thorough qaqc protocols are followed on the project, including insertion of duplicate, blank and standard samples in the assay stream for all. The entire qa qc procedure is usually lengthy and covers everything from sample handling at all levels of exploration and processing as well as defined protocols for insertion of standardsblanks and duplicates. In the mining industry is qaqc quality assurancequality control of utmost importance for a sound deposit evaluation process. Exploration sampling, analysis, and qaqc srk consulting. Gamma probe eu data qaqc procedures the most common method used to determine insitu uranium grades from drillholes is downhole gamma logging, and the conversion of probemeasured countspersecond cps to equivalent insitu uranium grades eu% or eu3o8%. Qa qc procedures qa qc procedures as part 2 comprise of general and functional procedures. Introduction geochemistry is a constantly expanding science. Quality control in mineral exploration association of applied. Classification of industrial mineral deposits requires an understanding of exploration drilling procedures, given that drilling methods could affect intrinsic properties of minerals. Practical quality control procedures in mineral inventory estimation. Quality control qc, in contrast, is a reactive process of analysing the data returned from the lab.
Quality control procedures the foundation for a successful quality assurance program is the quality control maintained by the producer to assure that all materials submitted for acceptance conform to the contract requirements. Octoplus information solutions pty ltd has over the years developed a set of qaqc tools that is used to assist resource estimators and laboratories to. The qaqc samples are referred to as standard and blank material, where the chemical composition of the sample is known. It is the project managers responsibility to ensure specific activity qa qc procedures and. In the mining and mineral exploration industry these terms often get confused and are simply. The composition of carbonate minerals infilling hydrothermal veins can vary as a function of factors including fluid chemistry, temperature and pressure. To conduct inspections for all electrical material deliveries. Technical report pdf available october 2014 with 9,655 reads how we measure reads. For example every 10th sample is a blank, every 25th sample is a standard, every 50th sample is a core duplicate. Our province is recognized for its enormous mineral potential, its support for mineral development and the availability of highquality geoscientific information. The key areas subject to qaqc auditing prior to mineral resource estimation are projectspecific protocols and available sample data from qaqc sampling and analysis. These qa qc procedures are generally included in the analytical method or may be part of the methods compendium for. Quality assurance and control throughout the process of mineral exploration, the qps should ensure that a quality assurance program is in place and that any required quality control measures are implemented. This guidance establishes good practice consistent with the revised 1996 ipcc guidelines for national greenhouse gas inventories ipcc guidelines.
To view a blast video and read a case study on how orica mining services and. The key areas subject to qa qc auditing prior to mineral resource estimation are projectspecific protocols and available sample data from qa qc sampling and analysis. The qa qc good practice guidance outlined here reflects. Quality assurance programs should be systematic and apply to all types. If the core is loose highly fractured, then appropriate manual method is. Responsible for all electrical inspections related to installations, testing, commissioning etc. Pat pick the date selected pages not a complete plan quality manual reporting forms inspection forms contact. With stateoftheart resources and expertise and a unique global network, we can provide you with qa qc in every corner of the world. The technical issues were identified and addressed during the course of the project, but some issues were deemed to be too late for south corridor, and all parties agreed to have these issues addressed as part of.
Regulation quality control and public reporting in industrial. At efu, we specialize in advancing underexplored, greenfields properties. Quality control and assurance qaqc request pdf researchgate. Sound quality assurance programs include written field procedures and regular, independent verification of drilling, surveying, sampling, and assaying data as well as of data management. Quality assurance qa and quality control qc checks on the process are fundamental to an exploration programme in order to ensure confidence in the resultant mineral resource and reserve estimates. Quality assurance how samples and data are collected and managed. Introduction the cim mineral exploration best practice guidelines the exploration guidelines have been prepared to assist professional geoscientists and engineers to conduct consistently high quality work in order to maintain public confidence. Here are the important documents that a qa qc engineer must read before the start of the project. Mining analytics quality assurance quality control. Exploration and mining activities are based on anomalous occurrence of. Implementation of appropriate quality assurance and quality control qa qc procedures during exploration ensures the trustworthiness of the data produced. New areas are being opened up for exploration, and existing mining areas still have significant potential.
Qaqc procedures required for the cem data are more detailed and timeconsuming than those required for the emission factor approach, just as more effort is expended in acquiring the cem data. The contractor shall furnish the owners representative a project specific qaqc plan. Rc drilling sampling qaqc a previous version of this paper was first published in the conference proceedings for the drilling for geology conference, organised by the aig. The importance of sampling to the mineral process engineer cannot be overemphasised. Specific qa qc procedures and instructions for individual activities are maintained by the qcm andissued to project managers as controlled documents. More and more, scientists are employing geochemical tools to help answer questions about the earth and earth system processes. Projectspecific protocols, often in the form of standard operations procedures sops, should be in place before any sampling commences. A successful method of mineral exploration in glaciated terrain is the use. Qaqc to identify, measure and keep systematic and random errors under control in planning, sampling, analysis and reporting of data. The qaqc program for the 20192020 drilling program at goldlund consists of the submission of duplicate samples and the insertion of certified reference materials and blanks at regular intervals. However, mineral exploration is a topic that also raises a number of questions. Qa and quality control qc procedures in mineral exploration programmes.
One aspect of qa qc not covered in this manual is the qa qc responsibility of the analytical laboratories that you or a prprp may use. Simple qa procedures, such as checking calculations and data input, can and should be implemented early and often in the process. When companyname quality standards differ from industry standards or product manufacturer instructions, the quality manager justifies that the standard reliably achieves quality results and then documents the justification. Drill hole positioning, orientation and length is determined via data interpretation on historical drill hole sections as well as in our current 3d model, based on the objectives of confirming continuity of the known higher grade gold mineralization near surface, at depth and along strike, and to discover new gold.
Publicly traded companies are now required by the australian securities exchange asx, and other bourses, to release data that is accompanied by an outline of sampling and qaqc procedures used during the collection and analysis of exploration samples. As the worldleading provider of quality assurance and quality control services, we offer you unrivaled experience stretching across every industry. Fitting quality assurance and quality control qa qc processes can increase the effectiveness of sampling programmes by defining appropriate drilling, recording, sampling, and assayingtestwork protocols and procedures. Sampling determines the value or lack there of of a companies exploration efforts. The qa qc engineer may also approach the project document controller to request the copy of important company documents, that he or she needs to study.
Companies are required to keep portions of all samples included in reports for future retesting during an audit if the project. With stateoftheart resources and expertise and a unique global network, we can provide you with qaqc in every corner of the world. Received 21 may 2017 received in revised form accepted a b s t r a c t keywords. The plan shall contain a comprehensive account of contractors qaqc procedures as applicable to this job. Sampling 101 quality assurancequality control qaqc. Quality assurance programs should be systematic and apply to. If effectively quantified, carbonate vein chemistry can represent an important tool in mineral exploration. More detailed guidance on procedures for preparing geological maps and collecting and curating field. Determination of carbonate vein chemistry using portable x. Specific qaqc procedures and instructions for individual activities are maintained by the qcm andissued to project managers as controlled documents.
Qa aims to prevent defects with a focus on the process used to make the product. Integra to resume drilling at delamar project, focus on. We present a method for determining carbonate vein chemistry using portable xray fluorescence analysis. Platinum group metals ltd technical report for the update. For quality assurance purposes protocols are established for the entire sampling and analysis process. Quality assurance and quality control of geochemical data. Appropriate sampling and quality assurancequality control qa qc procedures are essential in all aspects of the mineral deposit evaluation process to ensure the best possible confidence in resultant mineral resource and reserve estimates are achieved. These are inserted at a rate of one standard for every 20 samples 5% of total and one blank for every 30 samples 3% of total. We provide comprehensive geological, geochemical, and geophysical field services to help our clients identify and confirm mineralized targets. Quality assurance and quality control form the foundation and safeguard of the overall quality of any output, whether it is a resource model, exploration programme, metallurgical sampling, grade control, plant sampling, etc. In the mining industry is qa qc quality assurancequality control of utmost importance for a sound deposit evaluation process. Workshop on qaqc methods in geochemical research and mineral. These qaqc procedures are generally included in the analytical method or may be part of the methods compendium for.
To conduct inspection of all ongoing activities for electrical installations. Fitting quality assurance and quality control qaqc processes can increase the effectiveness of sampling programmes by defining appropriate drilling, recording, sampling, and assayingtestwork protocols and procedures. Qa qc plan 1052012 4 quality control plan summary the quality control plan qcp for the project has been developed to ensure that all work will be performed in accordance with the contract requirements. Appropriate sampling and quality assurancequality control qaqc procedures are essential in all aspects of the mineral deposit evaluation process. Everything from grass root discovery, objective base sequential exploration, mining, beneficiation, extraction, economic evaluation, policies and acts, rules and regulations, sustainability, and. Qaqc samples are inserted into the drill core sample series by the geologist in order to test the reliability of the laboratory where the samples are processed. All sampling, drilling, testing and analysis are conducted using rigorous qa qc procedures to ensure reliability and validity of results beyond basic regulatory guidelines. Having sound qa qc protocols in place instills a level of confidence within the company, as orex is fully aware of what is happening with all samples, at all times. There many goals associated with a qaqc program for the mineral.
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