GSI Discovers Gold Deposits in Odisha

  • March 7, 2023
  • Posted by: OptimizeIAS Team
  • Category: DPN Topics
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GSI Discovers Gold Deposits in Odisha

Subject : Geography

Section: Economic Geography

Concept:

Context: Steel and Mines Minister Prafulla Kumar Mallik has informed the state Assembly that gold deposits have been found in three districts of Odisha, including Deogarh, Keonjhar, and Mayurbhanj.

More about the news?

Geological Survey of India (GSI) conducted a preliminary survey and found the presence of gold deposits in the Adas area of Deogarh, Gopur, Gazipur, Kusakala, Adal, Saleikana, Dimirimunda, and Karadanga area of Keonjhar.

Gold Reserves in India

  • Gold usually occurs in auriferous [(of rocks or minerals) containing gold] rocks.
  • It is also found in sands of several rivers.
  • Gold is also known as international currency.
  • Resources in terms of the metal ore (primary) are located in
  • Bihar (45 per cent)
  • Rajasthan (23 per cent)
  • Karnataka (22 per cent)
  • West Bengal (3 per cent)
  • Andhra Pradesh and Madhya Pradesh (2 per cent each)
  • Resources in terms of metal content
  • Karnataka,
  • Rajasthan,
  • Bihar, Andhra Pradesh, Jharkhand, etc.
  • Kolar Gold Field, Hutti Gold Field and Ramgiri Gold Field are the most important gold fields.

Karnataka :

  • Karnataka is the largest producer of gold in India.
  • Gold mines are located in Kolar [Kolar Gold Field], Dharwad, Hassan and Raichur [Hutti Gold Field] districts.
  • Kolar Gold Fields is one of the deepest mines of the world. [Usually, gold mines are the deepest mines in the world. Mponeng Gold Mine in South Africa is the deepest mine in the world (3.9 km deep)]
  • Hutti mines are exploited to their maximum levels and the ore left behind is of very low grade. The mining has almost ceased due to little or no profitability.
  • The Kolar Gold Field has also run out of quality reserves and is on the verge of closure.

Andhra Pradesh :

  • Second largest producer of gold in India.
  • Ramagiri in Anantapur district is the most important gold field in AP.
  • Alluvial Gold [gold scattered in silt] and Placer deposits [gold bearing rocks] in small quantity are widely spread in a large number of rivers

Jharkhand :

  • Sands of the Subarnarekha (gold streak) river have some alluvial gold.
  • Sona nadi in Singhbhum district is important.
  • Sonapat valley is another major site with alluvial gold.

Kerala :

  • The river terraces along the Punna Puzha and the Chabiyar Puzha have some alluvial gold.

Geography GSI Discovers Gold Deposits in Odisha