Assertion: The vast alluvial plain tract of north India is rich in minerals of economic use.
Reasoning: Bulk of the valuable minerals in India are mainly associated with metamorphic and igneous rocks of the peninsular India.
Answer & explanation
Correct answer: option 4
India is endowed with a rich variety of mineral resources due to its varied geological structure. Bulk of the valuable minerals are products of pre-palaezoic age and are mainly associated with metamorphic and igneous rocks of the peninsular India. The vast alluvial plain tract of north India is devoid of minerals of economic use.