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Quality Assurance (QA) and Quality Control (QC) are vital in geology for several reasons. Firstly, they ensure the credibility and reliability of data, which is essential for making informed decisions in mining and exploration. By implementing strict QA and QC procedures, companies can maintain high standards of precision, accuracy, and consistency in their data, analysis, and reporting, ultimately reducing risks and encouraging cost savings[1]. Secondly, QA and QC help to guarantee the quality of data, which is fundamental for making accurate geological interpretations, resource classifications, and project decisions. Through the use of statistical tools to monitor sample quality, QA and QC provide a stamp of approval for the database, ensuring that all efforts in geological interpretations and resource classification are based on reliable data[2]. In summary, QA and QC are not only about ensuring data accuracy but also about mitigating risks, reducing costs, and providing a high level of confidence in the results. They are essential components of the sampling process, helping to maintain the credibility and reliability of the industry's data and analyses[5]. Citations: [1] https://www.linkedin.com/pulse/from-rocks-riches-crucial-role-quality-assurance-geology-cqxec?trk=public_post [2] https://mining-geologist.com/index.php/2020/09/24/qaqc/ [3] https://www.geologyforinvestors.com/qaqc-of-geochemical-data/ [4] https://www.appliedgeochemists.org/images/stories/Exploration_07/B_Smee.pdf [5] https://canadamines.ca/sampling-101-quality-assurance-quality-control/ P. Geo. Ricardo A Valls, M. Sc. Valls Geoconsultant ORCID ID- https://orcid.org/0000-0002-5421-0914 Scopus Author ID: 7003369619/35335510700 ResearcherID: S-6604-2018 If you like this content, please "buy me a coffee" https://www.buymeacoffee.com/goldendroplets