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How can you design and implement mineral exploration QA/QC protocols effectively?

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Quality assurance and quality control (QA/QC) are essential components of any mineral exploration project, as they ensure the reliability and accuracy of the data collected from sampling, drilling, assaying, and other methods. However, designing and implementing effective QA/QC protocols can be challenging, as they require careful planning, execution, monitoring, and evaluation. In this article, you will learn some practical tips and best practices on how to design and implement mineral exploration QA/QC protocols effectively.

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Alexsander Taniyaola

Technical Services Engineer at Orica
Engr Muhammad Sharif

Assistant Manager Sitech Group, Ex Export Manager Jawa Group, Mining and Mineral Processing Engineer,CEO k2konnectpvt…
Syed Anique Ahmed Gillani

Executive Director at Earth Explorer (Pvt) Ltd | Geologist at Chinar Group of Companies | Executive Member of FPCCI…

1 Define your objectives and scope

Before you start designing your QA/QC protocols, you need to define your objectives and scope for the mineral exploration project. What are the main questions you want to answer? What are the expected outcomes and deliverables? What are the budget and timeline constraints? What are the technical and operational requirements? These factors will help you determine the level of detail, complexity, and rigour of your QA/QC protocols, as well as the key performance indicators (KPIs) and criteria for success.

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Alexsander Taniyaola

Technical Services Engineer at Orica
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Establish QA/QC protocols with documented procedures, stringent sample collection standards, and proper sample numbering. Include field duplicates, blank samples, and certified reference materials for accuracy. Maintain a secure chain of custody, choose reputable labs, and conduct regular equipment calibrations. Implement data verification, utilize a QA/QC database, and provide staff training. Regularly review and adjust protocols, involve external audits, and foster a culture of continuous improvement. This comprehensive approach ensures reliable and accurate data in mineral exploration.

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Engr Muhammad Sharif

Assistant Manager Sitech Group, Ex Export Manager Jawa Group, Mining and Mineral Processing Engineer,CEO k2konnectpvt ,CEO Himalayan Gold Shilajit, Mining Expert ,Shilajit Business
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Absolutely crucial advice! Establishing clear objectives, scope, and key questions upfront is pivotal for effective QA/QC protocols in mineral exploration. Defining expected outcomes, considering budget constraints, and understanding technical requirements ensure a robust and successful project implementation. Well-thought-out KPIs will further enhance the monitoring and evaluation process. Great insights for a comprehensive approach!

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2 Choose your sampling and assaying methods

The next step is to choose your sampling and assaying methods, based on the type, size, and distribution of the mineral deposit you are exploring. You need to consider the advantages and disadvantages of different sampling methods, such as surface sampling, trenching, pitting, drilling, and geophysical surveys. You also need to consider the appropriate assaying methods, such as fire assay, atomic absorption spectroscopy, X-ray fluorescence, or inductively coupled plasma. You need to ensure that your sampling and assaying methods are consistent, representative, and suitable for the mineralogy and grade of the deposit.

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Syed Anique Ahmed Gillani

Executive Director at Earth Explorer (Pvt) Ltd | Geologist at Chinar Group of Companies | Executive Member of FPCCI Central Standing Committee on Mines & Minerals | Champion for Industry-Academia Linkages"
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Being a Geologist my concern in Exploration Geology and Pre-feasibility surveys are as follows By Completing the desk work study By Completing the nature of the area its terrain and topography By Completing the overview of the deposit By Grading the deposits via systematic sampling and than various Geochemical test enhance the precision by XRF AAS ICPMS And after that we have to go for the Geophysical surveys by making the deposit type more precise

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3 Establish your QA/QC procedures and standards

The third step is to establish your QA/QC procedures and standards, which will guide your sampling and assaying activities and ensure their quality and reliability. You need to define the roles and responsibilities of your staff, contractors, and laboratories involved in the project. You need to specify the sampling procedures, such as sample preparation, labelling, handling, storage, and transportation. You need to specify the assaying procedures, such as sample splitting, crushing, pulverizing, weighing, digesting, and analyzing. You need to specify the QA/QC standards, such as blanks, duplicates, standards, and checks.

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4 Implement your QA/QC protocols and monitor your data

The fourth step is to implement your QA/QC protocols and monitor your data throughout the project. You need to train your staff, contractors, and laboratories on the QA/QC protocols and ensure their compliance. You need to collect and record your data in a systematic and transparent manner, using databases, spreadsheets, or software. You need to monitor your data for any errors, anomalies, outliers, or biases, using charts, graphs, or statistics. You need to identify and correct any issues or deviations from the QA/QC protocols as soon as possible.

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5 Evaluate your QA/QC performance and report your results

The final step is to evaluate your QA/QC performance and report your results at the end of the project. You need to review your data and compare it with your objectives, scope, and KPIs. You need to assess the quality and reliability of your data, using measures such as accuracy, precision, repeatability, reproducibility, and confidence. You need to report your results in a clear and concise manner, using tables, figures, maps, or models. You need to document your QA/QC protocols, procedures, standards, and performance, using reports, manuals, or audits.

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Michael McClintock, P.Eng.

Founder & Principal @ McClintock Group| Co-Founder EOC | Enhancing Mineral Projects, Advocating for Shareholders
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Two practical tips I’ve found invaluable in QA/QC are: 1) Third-party spot checks. This external review adds an extra layer of objectivity and helps validate our internal processes. 2)Maintaining diligent records of all QA/QC checks. This ensures transparency and provides a comprehensive trail crucial for current analysis and future reference.

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6 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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How can you design and implement mineral exploration QA/QC protocols effectively?

1

2

3

4

5

6

1 Define your objectives and scope

2 Choose your sampling and assaying methods

3 Establish your QA/QC procedures and standards

4 Implement your QA/QC protocols and monitor your data

5 Evaluate your QA/QC performance and report your results

6 Here’s what else to consider

Mining Engineering

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How can you design and implement mineral exploration QA/QC protocols effectively?

1

2

3

4

5

6

1 Define your objectives and scope

2 Choose your sampling and assaying methods

3 Establish your QA/QC procedures and standards

4 Implement your QA/QC protocols and monitor your data

5 Evaluate your QA/QC performance and report your results

6 Here’s what else to consider

Mining Engineering

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