A recent study has discovered that the Earth was not entirely submerged in water

by Abbas Adil

Shafaqna India: According to Phys.org, a recent study reveals that fresh water emerged on Earth approximately four billion years ago. By examining ancient crystals, scientists were able to track the development of the hydrological cycle, which is essential for maintaining ecosystems and sustaining life.

Lead author Dr. Hamed Gamaleldien explains that light isotopic indicators found in tiny crystals in zircon minerals date back to four million years ago, suggesting the presence of hot, fresh water altering rocks deep below the Earth’s surface. These findings challenge the previous belief that Earth was completely submerged in water billions of years ago.

Co-author Dr. Hugo Olierook from Curtin University emphasizes the significance of this discovery in understanding Earth’s formation and the emergence of life. He suggests that the presence of landmasses and fresh water likely facilitated the rapid flourishing of life within 600 million years of the planet’s formation. The study was published in the journal Nature Geoscience.

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