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San Pedro, USA

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Brine Pool: An Underwater Lake

Earlier mapping surveys indicated a large crater the team nicknamed "The Pit of Despair" and suspected could be a brine pool. What is a brine pool? It's an underwater lake, with its own surface and shoreline. Water with such a high salinity from salts leaching out of the seafloor creates a barrier to the water around it, essentially a lake...underwater.

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