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UCLA geochemists and cosmochemists investigate chemical phenomena across vast scales, from atomic and molecular levels to planetary systems and beyond. Our research delves into the solar system's formation, tracing its links to interstellar matter, the transformation of primordial dust and gas into planetary components, and the geologic evolution of early planetesimals that ultimately shaped Earth and other planets. We also study the timing of geologic events, fluid behavior in extreme conditions, magma chamber dynamics, and mineral changes during mountain formation. These investigations employ cutting-edge tools like the national ion microprobe facility, various mass spectrometers, and specialized equipment for precise isotopic analysis. Our experimental capabilities enable mineral and fluid synthesis under conditions ranging from Earth's surface to its deepest layers, utilizing high-temperature furnaces, pressure devices, and diamond-anvil cells. Computational resources support molecular and mineral studies, including Linux cluster systems. Additional analytical tools include electron microprobes, environmental SEMs, and Raman spectrometers.