What is meant by mineral resources? How they form? Write about different types of mineral resources.

Question

Ghissu Editorial · Accepted Answer

Mineral resources are naturally occurring, usually inorganic substances of definite composition found in the earth's crust in economically extractable concentrations, formed through igneous, metamorphic, sedimentary and weathering processes. They are metallic (ferrous and non-ferrous) or non-metallic, and Andhra Pradesh holds 86.11% of India's barytes reserves.

**Introduction**

Mineral resources, naturally formed over geological time, are essential for economic growth and industrial development. ==Andhra Pradesh⟦1⟧==’s significant barytes and road metal reserves highlight the regional importance of mineral governance.

**Institutional Framework and Governance**

SKETCH: tree | Classification and Formation of Minerals
- Mineral Resources
  - Formation Processes
    - Igneous and Metamorphic (veins, lodes)
    - Sedimentary (beds, layers)
    - Residual deposits (weathering)
  - Types
    - Metallic
      - Ferrous (iron ore, manganese)
      - Non-ferrous (copper, bauxite)
    - Non-metallic
      - Organic (coal, petroleum)
      - Inorganic (mica, limestone)

1. **Legal and State Role**: The Mines and Minerals (Development and Regulation) Act, 1957 declares minerals a national asset; states like ==Andhra Pradesh== regulate mining leases, holding 86.11% of barytes and 18.49% of road metal reserves.

2. **Exploration and Policy Initiatives**: Institutions like the Geological Survey of India and National Mineral Development Corporation lead exploration; the National Critical Mineral Mission⟦3⟧⟦2⟧ (2024–31) focuses on securing critical minerals for clean energy, supported by District Mineral Foundation and Mineral Exploration Research and Innovation Trust.

**Formation Processes and Types**

3. **Geological Formation**: Minerals form in igneous, metamorphic, and sedimentary rocks through heat, pressure, and chemical reactions; found as veins, beds, or residual deposits.

4. **Classification and Economic Role**: Classified into metallic (ferrous like iron ore, non-ferrous like copper) and non-metallic (organic fuels like coal, inorganic like limestone), minerals support industries from metal production to construction; ==Andhra Pradesh==’s limestone aids local cement production.

**Implementation Challenges in Andhra Pradesh**

5. **Revenue and Compliance**: CAG audit (2017-22) flagged revenue shortfalls up to 52%, indicating governance gaps.

6. **Sustainability and Innovation**: District Mineral Foundation channels mining revenues to communities; however, underinvestment in Mineral Exploration Research and Innovation Trust limits technological progress.

**Conclusion**

Balancing resource exploitation with sustainability and improved governance is key for mineral-rich states like ==Andhra Pradesh==.

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