Q. Discuss the natural resource potentials of ‘Deccan trap’.

Model Answer: 

Formed by Cretaceous-era fissure volcanic eruptions, the Deccan Trap covers ~5 lakh sq km, harboring immense geological, agricultural, and economic resource potential.

Agricultural & Pedological Resources

• Regur (Black) Soil: Weathered basalt produces highly moisture-retentive, self-ploughing soils crucial for commercial cash crops (Cotton in Vidarbha, Sugarcane in Maharashtra).
• Horticultural Base: Shallow basaltic soils on plateau slopes optimally support horticulture and viticulture (Nashik grapes, Nagpur oranges).

Mineral & Geological Wealth

• Bauxite Reserves: Lateritization of basalt in heavy rainfall zones yields massive, high-grade aluminium ore (Kolhapur, Ratnagiri, Amarkantak).
• Construction Material: Abundant, highly durable basalt rock is extensively quarried for building stones, railway ballast, and road construction.
• Semi-Precious Stones: Basaltic geodes and vesicles harbor economically valuable minerals and gems (Agate, amethyst, and quartz in Khambhat).

Hydrological & Energy Potential

• Groundwater Aquifers: Fractured, weathered, and jointed basaltic layers create secondary porosity, forming crucial regional groundwater reservoirs.
• Energy Prospects: Western Ghats’ steep escarpments support hydroelectricity (Koyna project) and wind farms, while volcanic fault lines offer geothermal energy potential.

The Deccan Trap’s diverse natural wealth forms the economic backbone of central and western India, necessitating sustainable mining and climate-resilient agriculture for long-term resource security.