It could solve three mysteries with one stone.
"At this great depth, there is ordinarily not much life on the seabed," lead author Sam Purkis, a professor and chair of the Department of Marine Geosciences at the University of Miami, explained to ."However, the brine pools are a rich oasis of life. Thick carpets of microbes support a diverse suite of animals."Because of their proximity to the coast, these pools may have acquired runoff from land, which would mix terrestrial materials into their chemical makeup.
Purkis noted that the core samples taken from the newly discovered brine pools provide"an unbroken record of past rainfall in the region, stretching back more than 1,000 years, plus records of earthquakes and tsunami.
The implications of the discovery do not stop there, as the pool could also yield microbial discoveries that could aid in the development of novel medicines and treatments. For example, deep-sea microorganisms dwelling in brine pools have previously yielded molecules with antibacterial and anticancer effects. And, on a cosmic scale, the brine pools could also help us reveal the secrets of extraterrestrial life.
"Our current understanding is that life originated on Earth in the deep sea, almost certainly in anoxic — without oxygen — conditions," Purkis explained. "Deep-sea brine pools are a great analog for the early Earth and, despite being devoid of oxygen and hypersaline, are teeming with a rich community of so-called 'extremophile' microbes.
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