Tracing Fluids from Seafloor to Deep Subduction Environments: An In-situ Geochemical Investigation of Fluid-Mobile Elements in Oceanic Crust

Morgan John Williams
Hydration reactions within the oceanic crust incorporate significant amounts of water and incompatible and volatile elements from the Earth's surface into the oceanic lithosphere. During subduction, the altered oceanic crust releases a sequence of metamorphic dehydration fluids, which carry with them a significant portion of the fluid-mobile element inventory. Together, fluid cycling and plate tectonics enable geochemical interaction between the outer regions of our planet and its inner depths. However, aqueous fluids are transient and...
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