why Aravalli hills have lowered down
Answers
Explanation:
Aravalli, being the old fold mountains, have stopped growing higher due to the cessation of upward thrust caused by the stopping of movement of the tectonic plates in the Earth's crust below them.
Answer:
Aravalli, being the old fold mountains, have stopped growing higher due to the cessation of upward thrust caused by the stopping of movement of the tectonic plates in the Earth's crust below them.
Aravalli hills have lowered down due to illegal mining activities. 31 out of 128 hills in Aravali region in Rajasthan have vanished in the last 50 years due to massive illegal mining.Mining of copper and other metals in the Aravalli range dates back to at least the 5th century BCE, based on carbon dating.Recent research indicates that copper was already mined here during the Sothi-Siswal period going back to 4000 BCE. Ancient Kalibangan and Kunal, Haryana settlements obtained copper here.
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