ForumIAS LATEST
- SFG FRC 2027 | Program starts from 19th Dec. 2026 | Admissions open for Entrance Test Click Here to know more →
- Prelims Test Series (PTS) for Prelims 2027 starts 11th Oct. 2026 Click Here to know more →
- [Pre-order] Ethics Redbook 3rd Edition: Delivery starts from 10th October onwards Click Here to Read More →
- 21 Sept. | GS Advance Program (GSAP) for UPSC 2027 Mains starts from 11th Oct. Click Here to Read More →
A prospective gold mine found near Bengaluru
PT FActs
News:
The Geological Survey of India (GSI) has discovered a prospective gold mine in the village of Ajjanahalli, Bengaluru
Important Facts:
- The Ajjanahalli gold prospect is part of the Chitradurga greenstone belt, a linear, north-to-south sequence of volcanic and sedimentary rocks of the Archean age around Chitradurga town.
- Some of the world’s most important gold resources occur within such Archean greenstone belts.
- In Karnataka, the Archean greenstone are potential hosts of gold mineralisation and have been historically explored and mined for gold, such as in the case of Kolar and Hutti.
Additional Facts:
- Gold Mine sites in India – India has only 3 working gold mines (Kolar, Hutti and Uti in Karnataka, The Hirabuddini mines in Jharkhand and Ramgiri Gold Field in Anantpur district (Andhra Pradesh).)
- The Archean Rock System:
- The Archean of India corresponds to the first half of the Precambrian era
- It contains the first formed rocks of the earth. These rocks in the peninsula are found primarily in Tamil Nadu, Andhra Pradesh, Chhattisgarh, Jharkhand and Rajasthan. The rocks are primarily gneisses and granites, having no marks of fossils.
