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Exploration and mining of lithium pegmatites have intensified recently due to the surging demand for critical metals essential for electric vehicles and renewable energy storage. These pegmatite deposits were responsible for approximately 60% of global lithium production in 2018, primarily from spodumene-rich sources. However, a significant challenge in the industry is the lack of comprehensive models that connect the evolution of mineral systems with the structural controls governing lithium pegmatites. This gap in understanding can make identifying and evaluating new lithium deposits difficult, potentially leading to inefficient exploration and investment in non-lithium-bearing stones. A recent study delves into this critical issue by exploring the formation of granitic melts, including those linked to anatexis, and how regional crustal structures influence their chemical composition, migration, and accumulation within the Earth's crust. Focusing on the Wekusko Lake pegmatite field in Manitoba, Canada, the research provides valuable insights into probable melt source migration, the relationship between crustal-scale strain zones and pegmatite emplacement, and the chemical fractionation trends that lead to lithium enrichment. This work is vital for developing more effective lithium exploration methods, ensuring a sustainable supply of this indispensable element for a greener future. 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