Global Geological And Climatic Events

Seawater from Ice Age tucked in rocks discovered in Indian OceanPriority 1

Note4Students

From UPSC perspective, the following things are important :

Prelims level : Ice Age

Mains level : Read the attached story


Seawater from Ice Age

  • Scientists have discovered the remnants of seawater dating back to the Ice Age, tucked inside rock formations in the middle of the Indian Ocean.
  • Researchers from the University of Chicago in the U.S. made the discovery during a months-long scientific mission exploring the limestone deposits that form the Maldives.
  • The ship, the JOIDES Resolution, is specifically built for ocean science and is equipped with a drill that can extract cores of rock over a mile long from up to three miles beneath the seafloor.
  • The water in actual specimen was found to be 20,000-year-old as it was much saltier than normal seawater.

Importance of the study

  • Scientists are interested in reconstructing the last Ice Age because the patterns that drove its circulation, climate and weather were very different.
  • Understanding these patterns could shed light on how the planet’s climate will react in the future.

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