An outlet of geothermally heated fluid; sampling fluid composition and heat flux can constrain subseafloor water-rock interaction.
Chemical and mineralogical modification of rock during interaction with heated fluids.
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Hydrothermal circulation refers to the movement of water that is heated by geological processes within the Earth's crust, particularly in areas of volcanic activity or along mid-ocean ridges. This process plays a crucial role in the thermal and chemical dynamics of the Earth's crust and ocean floor. Here's how hydrothermal circulation typically works: 1. **Heat Source**: The circulation is usually driven by heat from magma or hot rocks below the Earth's surface. This heat causes water in the surrounding rock to become heated.