Geochemistry Without Borders: A Conversation with Alecos Demetriades

<p>Alecos Demetriades, applied geochemist and Chair of the IUGS Commission on Global Geochemical Baselines (2024–2028), joins GeOCHemISTea to unpack the Global Geochemical Reference Network (GGRN): why a 160×160 km grid matters, how harmonized sampling/analysis underpins trustworthy baselines, and what QA/QC must look like before interpretation. </p><p>We touch on FOREGS, leveling national datasets to global references, and practical ways exploration and mining teams can access, use, and contribute to these datasets. </p><p>Plus: tea stories during Tea Time and why passing knowledge to the next generation keeps this global effort moving. For this episode we read: <a href="http://%20https//www.globalgeochemicalbaselines.eu/content/174/iugs-manual-of-methods-for-establishing-the-global-geochemical-reference-network-/">⁠International Union of Geological Sciences Manual of Standard Methods for Establishing the Global Geochemical Reference Network⁠</a>  </p>