Question

Which of the following rock systems in India is the latest one?
1. Vindhyan
2. Cuddapah
3. Dharwar
4. Gondwana

Answer 1

Correct Answer - Option 4 : Gondwana

The correct answer is Gondwana

• Gondwana Rock System in India is the latest one.
• The term Gondwana has been named after the Gond tribe, which is mainly located in the states of Telangana, Andhra Pradesh, and Madhya Pradesh.
• This rock system contains huge carbon deposits.
• It contains 98% of coal deposits in India.
• It has two main series: 
  • Damuda
  • Panchet
• The rock system was formed during the Permian period (250 million years ago).
• It is mainly found in the states of Jharkhand, Chattisgarh, Madhya Pradesh, West Bengal, and Telangana.

• Vindhyan Rock System -
  • This rock system was formed after Cuddapah.
  • They are sedimentary rocks.
  • The fossils are found in this structure.
  • It extends from Rajasthan to Bihar.
  •  Diamond Mines are found in this system:
    • ​Panna - MP
    • Golconda - Karnataka
  • It is used in House-building.
  • It carries minerals like limestone, red sandstone, dolomite, china clay, etc.
• Cuddapah Rock System -
  • It is formed due to the erosion and sedimentation of Dharwar rocks.
  • It is mainly found in Andhra Pradesh.
  • It is also found in some parts of Delhi, Rajasthan, and Chattisgarh.
  • Minerals: Sandstone, Limestone, Marble, and Asbestos.
• Dharwar Rock System -
  • It is formed due to erosion and sedimentation of Archaean rocks.
  • It has the oldest sedimentary rock.
  • There is no evidence of fossils is found here.
  • The Aravali Mountain range is made from this rock system.
  • Minerals: Iron, Gold, Manganese, Copper, etc.
  • It is found in Madhya Pradesh, Karnataka, Chotanagpur Plateau, Meghalaya, and Tamil Nadu.
  • This rock system is very beneficial in terms of economy.
  • Major series:
    • Chilpi series (Copper) in Balaghat, MP
    • Champaner series (Marble) in Baroda, Gujarat
    • Champions series (Gold) in Kolar, Karnataka