The University of Arizona, under a $567,283 Project Grant from the National Science Foundation's Geosciences Program (CFDA 47.050), will conduct research to track the fate of subducted carbonate platforms in the sub-arc mantle using field observations and laboratory experiments. The goal is to improve the understanding of deep carbon cycling and the movement of carbon between the Earth's surface and interior due to plate tectonics. Key activities include analyzing the geochemical fingerprints of subducted marbles and volcanic products in the Carpathian region, performing phase equilibria experiments to investigate the partial melting behavior of impure marbles under sub-arc conditions, and developing a mini documentary to educate the public on deep carbon cycling. This research aims to provide new constraints on the fate of subducted carbonate platforms and their impact on carbon budgets and magmatism. The award period runs from Aug 1, 2024 to Jul 31, 2027.
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