UPSC Prelims 2001·GS1·geography·geomorphology

The approximate age of the Aravalli’s range is

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  1. A370 million yearsCorrect
  2. B470 million years
  3. C570 million years
  4. D670 million years

Explanation

The Aravalli Range is one of the oldest fold mountain systems in the world. Geological studies indicate that these mountains were formed during the Proterozoic era, specifically during the Delhi Supergroup orogeny. While estimates for its oldest components vary, the generally accepted approximate age for the primary uplift and folding of the Aravallis is around 370 million years ago. This makes them significantly older than the Himalayas. Therefore, based on the provided options, 370 million years is the correct approximate age.
geography: The approximate age of the Aravalli’s range is

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