The Mysterious Discovery of ‘Dark Oxygen’ on the Ocean Floor
Jul 26, 2024
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Discover the mysterious 'Dark Oxygen' found deep in the ocean, theorized to be produced by polymetallic nodules acting as geobatteries. Researchers discuss the implications for deep-sea ecosystems and the intriguing possibility of life on other planets.
Polymetallic nodules on the ocean floor may be the source of oxygen production deep underwater.
The discovery of 'dark oxygen' raises concerns about the impact of deep-sea mining on ecosystems.
Deep dives
Discovery of Dark Oxygen on the Ocean Floor
Researchers have discovered the production of oxygen 4,000 meters below the sea surface, possibly originating from polymetallic nodules on the ocean floor. These nodules, rich in valuable metals like lithium and copper, may be generating oxygen through a unique reaction, offering a potential source of battery ingredients. Despite the dark conditions inhibiting photosynthesis, the nodules seem to stimulate oxygen production, sparking curiosity about their role in sustaining ecosystems and even the origins of life on Earth.
Environmental Concerns and Industry Response
As the discovery raises questions about the ecological significance of deep-sea mining, concerns over potential environmental risks emerge. The findings have prompted calls for the protection of deep-sea environments from industrial exploitation, with a petition signed by numerous marine scientists advocating for a pause in mining activities. However, critiques from industry insiders suggest oxygen contamination as an alternative explanation, reflecting ongoing debates surrounding the research's implications and the need for further investigation.
Researchers believe they have discovered oxygen being produced 4,000 meters below the sea surface, and think polymetallic nodules—the sought-after bounty of deep-sea miners—could be the source.