Dark Oxygen
- A recent study uncovered dark oxygen 4,000 metres below the Pacific Ocean's surface in the Clarion-Clipperton Zone (CCZ).
- The study reveals that oxygen is released from mineral deposits at these depths, independent of photosynthesis.
- Previously, photosynthetic organisms were believed to be the primary source of oxygen on Earth.
- The discovery suggests that iron and manganese-rich polymetallic nodules in the CCZ can produce oxygen without sunlight.
- This finding indicates that there could be additional mechanisms contributing to Earth's oxygen supply.
- The research also implies that life on Earth might have existed before the rise of ....
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