The correct option is 2 and 3 only.
Explanation
The occurrence and distribution of mineral resources are fundamentally determined by the geological structure, rock type, and the geological history of a region. In India, mineral resources are unevenly distributed across different geological formations.
Statement-wise Analysis
- Statement 1 is Incorrect: Minerals are not evenly distributed across India. There are significant variations in the availability of mineral resources. For instance, the vast alluvial plains of North India are largely devoid of minerals of economic use, whereas the Peninsular region is highly mineralized.
- Statement 2 is Correct: The type and concentration of minerals are directly linked to the geological structure and age of rock formations. Old crystalline rocks typically host metallic minerals, while younger sedimentary formations often contain non-metallic minerals and fossil fuels.
- Statement 3 is Correct: The Peninsular plateau constitutes the oldest landmass of the Indian subcontinent and acts as the primary storehouse of mineral wealth. It contains the vast majority of reserves of metallic minerals (such as iron, manganese, and copper), coal, mica, and many other non-metallic minerals.
Key Takeaway
Key Takeaway: India's mineral wealth is concentrated in the Peninsular rocks, which are rich in metallic minerals and coal, while the Great Plains are geologically young and poor in mineral deposits.