Minerals Contents

Minerals are naturally occurring, inorganic substances with a definite chemical composition.

• India is rich in metallic, non-metallic, and energy minerals.
• Bihar and neighboring Jharkhand form part of India’s mineral belt.

📝 PYQ (BPSC 65th): Which mineral is found in Gaya and Rohtas regions? → Limestone

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Classification of Minerals

Metallic Minerals

Ferrous Minerals (contain iron):

• Iron Ore – Jharkhand, Odisha, Chhattisgarh
• Manganese – Odisha, Karnataka, Maharashtra

Non-Ferrous Minerals (no iron):

• Bauxite – Odisha (Panchpatmali), Gujarat, Maharashtra
• Copper – Rajasthan, Madhya Pradesh, Jharkhand

📝 PYQ (BPSC 67th): Which mineral is the main source of aluminium? → Bauxite

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Non-Metallic Minerals

• Limestone – Bihar (Rohtas, Gaya), Madhya Pradesh, Chhattisgarh
• Mica – Jharkhand, Andhra Pradesh
• Gypsum – Rajasthan
• Dolomite – Chhattisgarh, Odisha

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Energy Minerals

• Coal – Jharkhand (Jharia, Bokaro), Odisha, Chhattisgarh
• Petroleum – Assam, Gujarat, Mumbai High
• Natural Gas – KG Basin, Assam, Tripura
• Uranium – Jharkhand (Jaduguda)

📝 PYQ (BPSC 66th): Where is the coal field of Jharia located? → Jharkhand

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Major Mineral Belts in India

• North-Eastern Plateau Region → Chota Nagpur Plateau (Jharkhand, Bihar, Odisha)
• Southern Belt → Karnataka, Tamil Nadu
• Western Belt → Rajasthan and Gujarat
• Himalayan Belt → Jammu & Kashmir (minor deposits)

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Minerals in Bihar

Although Jharkhand was carved out in 2000, Bihar still holds several important minerals:

• Limestone – Rohtas, Gaya, Kaimur
• Mica (small deposits) – Nawada
• Quartz, Feldspar – Gaya region
• China Clay – Bhagalpur, Banka
• Granite and Building Stone – Rohtas, Aurangabad

Industrial Use

• Limestone → Cement
• China Clay → Ceramics
• Quartz → Glass
• Feldspar → Tiles, glass manufacturing

📝 Expected MCQ: Limestone in Bihar is found in? → Rohtas and Gaya

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Environmental & Economic Importance

• Source of employment and industrial raw material
• Affects land degradation, tribal displacement, pollution if unregulated
• Need for sustainable mining policies

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Quick Revision Points

• Iron → Jharkhand, Odisha
• Bauxite → Odisha, Gujarat
• Coal → Jharia (Jharkhand)
• Limestone → Rohtas, Gaya (Bihar)
• China Clay → Bhagalpur
• Bihar → No coal or iron now, but good reserves of non-metallic minerals

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Sources Used

• NCERT Class 10 Geography – Minerals Chapter
• Lucent GK – Geography (Minerals Section)
• Drishti Bihar Special Book
• Bihar Economic Survey
• Ghatna Chakra PYQs – BPSC & DPCS