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Lithium is increasingly being utilized for modern technology in the form of lithium-ion batteries. Here, using in situ measurements of quartz-hosted melt inclusions, the authors demonstrate that preserved lake sediments within rhyolitic calderas have the potential to host large lithium-rich clay deposits.
Earth’s continents are depleted in some economically important elements. Geochemical analysis reveals that some sulfide-loving elements are preferentially delaminated and recycled back into the mantle during subduction.
Heavy rare earth elements (HREE) are an important global resource for many industries. Here, Xu et al. have discovered new REE minerals, which represent oxidized REE-rich fluids that metasomatized granites resulting in an enrichment of HREE, therefore contributing to our knowledge of global REE resources.