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https://www.youtube.com/@valls_geoconsultant?sub_confirmation=1 For more videos about geology, geochemistry, AI, and much more, please visit and subscribe for free here: Golden droplets- https://shorturl.at/fetV1 Geovoices- https://tinyurl.com/m23pp4pb News about geology- https://tinyurl.com/3979urhy In this video, we investigate why your geochemical data and geochemical exploration programs might be providing misleading signals due to spurious correlations and a lack of representative sampling. We explore how Compositional Data Analysis (CoDA), machine learning (ML), and artificial intelligence (AI) can transform predictive geochemistry and mineral prospectivity mapping (MPM) to overcome the inherent limitations of deterministic inversion when searching for hidden gold deposits. Traditional exploration methods often suffer from determinism, where a single geophysical inversion is given a single interpretation, effectively ignoring the geological uncertainty that leads to frequent false-positive drilling outcomes. Poorly designed protocols can result in a 1% difference in assumed versus actual ore grades, which may cost a project up to US$36 million in value or roughly half the cost of a processing plant. To address these challenges, geologists are increasingly turning to Compositional Data Analysis (CoDA) to address the "closed data" problem by treating elements as proportional sub-compositions, which serves to eliminate the danger of spurious correlations. By adopting a Popper-Bayes scientific method, the geological community can move away from merely attempting to "hit" mineralization and instead focus on using data acquisition to falsify competing geological hypotheses. Advanced AI frameworks—including Random Forests and Graph Convolutional Neural Networks (GCNs)—allow researchers to repurpose legacy and modern geochemical data to predict unknown elemental concentrations and identify geochemical anomalies with high-dimensional pattern analysis. Furthermore, integrating unconventional field techniques such as heavy mineral concentration using unlubricated condoms with high-tech tools like autonomous underground drones or muon tomography ensures that data collected is both robust and high-fidelity. Ultimately, this human-in-the-loop AI approach enhances the role of domain experts in structural geology and tectonics by focusing on creativity and process-based thinking rather than manual data processing. The bridge between Academy and Industry! P. Geo. Ricardo A Valls, M. Sc. and Geo Gadfly 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 #valls_geoconsultant #Geochemistry #MachineLearning #MineralExploration Some references Valls, R. [Ricardo Valls]. (n.d.). Advanced geochemical exploration knowledge using machine learning 1 [Video]. YouTube. https://www.youtube.com/watch?v=S8Vn9uVn_9Q Valls, R. [Ricardo Valls]. (n.d.). An interview with Ricardo Valls during the mining meeting Discoveries 2018, Puerto Vallarta, México [Video]. YouTube. https://www.youtube.com/watch?v=F_fV3K5E0I8 Valls, R. [Ricardo Valls]. (n.d.). Complex system approach [Video]. YouTube. https://www.youtube.com/watch?v=pM9mXhY0XvY Valls, R. [Ricardo Valls]. (n.d.). Discovering hidden gold deposits with modern AI tech [Video]. YouTube. https://www.youtube.com/watch?v=N6J4mP-Z_2Y Valls, R. [Ricardo Valls]. (n.d.). El uso de Clino [Video]. YouTube. https://www.youtube.com/watch?v=H7Bf8J_X-C8 Valls, R. [Ricardo Valls]. (n.d.). Finding hidden mineral deposits: New AI technology breakthrough [Video]. YouTube. https://www.youtube.com/watch?v=vL_9f8jX-A0 Valls, R. [Ricardo Valls]. (n.d.). Golden Droplets Episode 14- Unusual exploration techniques part One (using drones in geology) [Video]. YouTube. https://www.youtube.com/watch?v=FstGq7vM9L0 Valls, R. [Ricardo Valls]. (n.d.). Golden Droplets Episode 15- Unusual exploration techniques part Two (sampling with a condom) [Video]. YouTube. https://www.youtube.com/watch?v=9_p_n7N0dec Valls, R. [Ricardo Valls]. (n.d.). Golden Droplets Episode 16-- Unusual exploration techniques (RC drilling under the water table) [Video]. YouTube. https://www.youtube.com/watch?v=l_989_9k_90 Valls, R. [Ricardo Valls]. (n.d.). VG csa método [Video]. YouTube. https://www.youtube.com/watch?v=QyO_9P7H-M8