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The oldest rocks in India are reported from
- a)Dharwar region, Karnataka
- b)Aravalli range, Rajasthan
- c)Vindhyan range, Madhya Pradesh
- d)Siwalik range, Punjab
Correct answer is option 'A'. Can you explain this answer?
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The oldest rocks in India are reported froma)Dharwar region, Karnataka...
Precambrian a considerable area of peninsular India, the Indian Shield, consists of Archean gneisses and schists which are the oldest rocks found in India. The Precambrian rocks of India have been classified into two systems, namely the Dharwar system and the Archaean system.
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The oldest rocks in India are reported froma)Dharwar region, Karnataka...
Oldest rocks in India
Dharwar region, Karnataka
The oldest rocks in India are reported from the Dharwar region, Karnataka. These rocks are estimated to be around 3.4 billion years old and belong to the Archean period. The Dharwar region comprises a part of the Deccan Plateau and is known for its rich mineral resources.
Aravalli range, Rajasthan
The Aravalli range in Rajasthan is one of the oldest mountain ranges in India and is believed to be over 2.5 billion years old. The rocks in this region belong to the Proterozoic era.
Vindhyan range, Madhya Pradesh
The Vindhyan range in Madhya Pradesh is known for its sedimentary rocks that are estimated to be around 1.7 billion years old. These rocks belong to the Mesoproterozoic era and are rich in fossils.
Siwalik range, Punjab
The Siwalik range in Punjab is relatively younger compared to the other three ranges mentioned above. The rocks in this region belong to the Neogene period and are estimated to be around 15-20 million years old.
Conclusion
In conclusion, the oldest rocks in India are reported from the Dharwar region, Karnataka, and are estimated to be around 3.4 billion years old. The other three ranges mentioned above are relatively younger and belong to different periods of geological time. The study of these rocks provides valuable insights into the geological history of India and helps in understanding the evolution of the planet.
Dharwar region, Karnataka
The oldest rocks in India are reported from the Dharwar region, Karnataka. These rocks are estimated to be around 3.4 billion years old and belong to the Archean period. The Dharwar region comprises a part of the Deccan Plateau and is known for its rich mineral resources.
Aravalli range, Rajasthan
The Aravalli range in Rajasthan is one of the oldest mountain ranges in India and is believed to be over 2.5 billion years old. The rocks in this region belong to the Proterozoic era.
Vindhyan range, Madhya Pradesh
The Vindhyan range in Madhya Pradesh is known for its sedimentary rocks that are estimated to be around 1.7 billion years old. These rocks belong to the Mesoproterozoic era and are rich in fossils.
Siwalik range, Punjab
The Siwalik range in Punjab is relatively younger compared to the other three ranges mentioned above. The rocks in this region belong to the Neogene period and are estimated to be around 15-20 million years old.
Conclusion
In conclusion, the oldest rocks in India are reported from the Dharwar region, Karnataka, and are estimated to be around 3.4 billion years old. The other three ranges mentioned above are relatively younger and belong to different periods of geological time. The study of these rocks provides valuable insights into the geological history of India and helps in understanding the evolution of the planet.
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The oldest rocks in India are reported froma)Dharwar region, Karnatakab)Aravalli range, Rajasthanc)Vindhyan range, Madhya Pradeshd)Siwalik range, PunjabCorrect answer is option 'A'. Can you explain this answer?
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