This MCQ module is based on: Mineral Types & Metallic Mineral Belts of India
TOPIC 13 OF 27
Mineral Types & Metallic Mineral Belts of India
🎓 Class 12
Social Science
CBSE
Theory
Chapter 5 — Mineral and Energy Resources
⏱ ~25 min
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Mineral & Energy Resources: Types & Metallic Minerals of India
NCERT India: People and Economy — Unit III, Chapter 5 (Part 1)
India’s Mineral Wealth: Built into the Bedrock
India is endowed with a rich variety of mineral resources because of its varied geological structure. The bulk of the country’s commercially valuable minerals are products of pre-Palaeozoic age — in other words, they were formed hundreds of millions of years ago. They are mainly associated with the metamorphic and igneous rocks of peninsular India. The vast alluvial plain tract of north India, by contrast, is largely devoid of minerals of economic use because the alluvium is only a thin sedimentary cover laid down by rivers in geologically recent times.
This uneven endowment matters because mineral resources provide the country with the necessary base for industrial development. Iron and steel, aluminium, copper wires, fertilisers, cement, electronics — almost everything that modern industry produces — rests on a small set of minerals dug out of specific districts in the peninsular plateau. In this chapter, we shall examine the availability of various types of mineral? and energy resources in the country.
Definition — Mineral
A mineral is a natural substance of organic or inorganic origin with definite chemical and physical properties. Each mineral has a fixed composition (such as Fe₂O₃ for haematite) and predictable hardness, colour, lustre and density that allow it to be recognised, mined and processed.
Three Universal Characteristics of Minerals
(1) Uneven distribution — minerals are spread very irregularly across space; some regions are rich while others have nothing of value. (2) Inverse relationship between quality and quantity — high-grade ores are usually small in volume, while low-grade ores are abundant. (3) Exhaustibility — all minerals form over geological time scales and cannot be replenished within a human lifetime, so once dug they are gone. There is no ‘second crop’ of minerals.
Fig 5.1 — Classification of Minerals
Types of Mineral Resources
On the basis of chemical and physical properties, minerals may be grouped under two main categories — metallic and non-metallic — with each category divided further as shown in Fig. 5.1.
Metallic Minerals
Metallic minerals are the sources of metals. Iron ore, copper and gold all yield metals on smelting and are placed in this category. Metallic minerals are further sub-divided into ferrous? and non-ferrous? metallic minerals.
- Ferrous metallic minerals contain iron — for example iron ore itself, manganese, chromite, nickel and cobalt.
- Non-ferrous metallic minerals have no iron content — for example copper, bauxite, zinc, lead, gold and silver.
Non-Metallic Minerals
Non-metallic minerals are of two kinds. Organic non-metallics, also called mineral fuels, are derived from buried plant and animal life and include coal and petroleum. Inorganic non-metallics include industrial minerals such as mica, limestone, dolomite, gypsum and graphite.
Think About It — Why is the alluvial plain ‘mineral-poor’?
The northern plains of India, formed by silt brought down by the Ganga, Yamuna and Brahmaputra, are the most fertile farmland on the planet — yet they have hardly any commercial mineral deposits. Why?
Hint: Think about how minerals form and how alluvium is laid down. Metallic minerals crystallise inside hot, deep igneous and metamorphic rocks over hundreds of millions of years. Alluvium, however, is just loose sand and silt deposited by rivers within the last few thousand years. It is too young, too soft and too uniform to host metallic ore bodies. The minerals lie underneath, sometimes 1–2 km below the surface in the buried bedrock, but mining them through the alluvium is not economic. By contrast, the peninsular plateau exposes the same ancient rocks at the surface, where they can be quarried directly.
Distribution of Minerals in India
Most of India’s metallic minerals occur in the peninsular plateau region, embedded in old crystalline rocks. Over 97 per cent of coal reserves are found in the valleys of the Damodar, Sone, Mahanadi and Godavari. Petroleum reserves are located in the sedimentary basins of Assam, Gujarat and Mumbai High (the off-shore region in the Arabian Sea); new reserves have also been located in the Krishna–Godavari and Kaveri basins?. As a thumb-rule, most of India’s major mineral resources occur to the east of a line linking Mangaluru and Kanpur.
Minerals in India are concentrated in three broad belts (with some sporadic occurrences in isolated pockets) — the North-Eastern Plateau, the South-Western Plateau, the North-Western Region — plus a Himalayan belt and the off-shore Indian Ocean region.
North-Eastern Plateau
Chhotanagpur (Jharkhand), Odisha plateau, West Bengal, parts of Chhattisgarh. Variety of minerals — iron ore, coal, manganese, bauxite, mica. Reason why India’s major iron and steel plants cluster here.
South-Western Plateau
Karnataka, Goa and contiguous Tamil Nadu uplands and Kerala. Rich in ferrous metals and bauxite, high-grade iron ore, manganese and limestone. Lacks coal except for Neyveli lignite.
North-Western Region
Aravali (Rajasthan) and parts of Gujarat. Linked with the Dharwar system. Copper, zinc, lead. Building stones — sandstone, granite, marble. Gypsum, Fuller’s earth, dolomite, limestone. Gujarat — petroleum and salt.
Himalayan Belt
Both eastern and western flanks. Copper, lead, zinc, cobalt and tungsten occur here. Assam Valley contains mineral oil deposits. Off-shore Mumbai Coast (Mumbai High) provides additional oil.
Fig 5.2 — Mineral Belts of India (Schematic)
N-E Plateau (Jharkhand, Odisha, WB, Chhattisgarh)
S-W Plateau (Karnataka, TN, Kerala, Goa)
N-W (Aravali, Rajasthan, Gujarat)
Himalayan Belt
The North-Eastern Plateau Region
This belt covers Chhotanagpur (Jharkhand), the Odisha Plateau, West Bengal and parts of Chhattisgarh. The region contains a great variety of minerals: iron ore, coal, manganese, bauxite and mica. The simultaneous presence of iron ore and coal here is the geographical reason why most of India’s major iron and steel industry — Jamshedpur, Bokaro, Rourkela, Bhilai, Durgapur — is concentrated in this single belt.
The South-Western Plateau Region
This belt extends over Karnataka, Goa, contiguous Tamil Nadu uplands and Kerala. It is rich in ferrous metals and bauxite and contains high-grade iron ore, manganese and limestone. The belt lacks coal except for the brown coal (lignite) at Neyveli?. It does not have as diversified mineral deposits as the North-Eastern belt. Kerala has deposits of monazite and thorium?, and bauxite clay; Goa has iron ore deposits.
The North-Western Region
This belt extends along the Aravali range in Rajasthan and parts of Gujarat; the minerals are associated with the Dharwar system of rocks. Copper and zinc are the major minerals. Rajasthan is rich in building stones — sandstone, granite and marble. Gypsum and Fuller’s earth deposits are also extensive. Dolomite and limestone provide raw material for the cement industry. Gujarat is known for its petroleum deposits, and both Gujarat and Rajasthan have rich sources of salt.
The Himalayan Belt
The Himalayan belt is another mineral belt where copper, lead, zinc, cobalt and tungsten are known to occur on both the eastern and western flanks. The Assam Valley has mineral oil deposits, and additional oil resources are found offshore near Mumbai Coast (Mumbai High).
Let’s Explore — Map specific mining districts
Pick any one of the four mineral belts above and find the specific districts where its minerals are extracted. Mark them on a blank map of India and label each with the principal mineral mined there.
Sample answer (North-Eastern Plateau):
- Iron ore — Sundergarh, Mayurbhanj, Kendujhar (Odisha); Poorbi & Pashchimi Singhbhum (Jharkhand); Durg & Bailadila (Chhattisgarh).
- Coal — Jharia, Bokaro, Giridih, Karanpura (Jharkhand); Raniganj (West Bengal); Korba (Chhattisgarh); Talcher (Odisha).
- Manganese — Bonai, Kendujhar, Sundergarh (Odisha).
- Bauxite — Lohardaga (Jharkhand); Kalahandi, Sambalpur, Koraput, Bolangir (Odisha).
- Mica — Hazaribagh plateau, Koderma (Jharkhand).
Ferrous Minerals
Ferrous minerals such as iron ore, manganese and chromite provide a strong base for the development of metallurgical industries. India is well-placed in respect of ferrous minerals both in reserves and production.
Iron Ore
India is endowed with fairly abundant resources of iron ore. It has the largest reserves of iron ore in Asia. The two main types of ore found are haematite? and magnetite?. Indian iron ore commands strong demand in international markets because of its superior quality. The mines occur in close proximity to the coal fields of the north-eastern plateau, which gives Indian steel-making a major locational advantage.
About 95 per cent of total iron-ore reserves are located in the states of Odisha, Jharkhand, Chhattisgarh, Karnataka, Goa, Telangana, Andhra Pradesh and Tamil Nadu.
~35%
Odisha share of production
~25%
Jharkhand
~18%
Chhattisgarh
~12%
Karnataka
State-by-State Mining Centres
| State | Important districts / mines | Key fact |
|---|---|---|
| Odisha | Hill ranges of Sundergarh, Mayurbhanj, Jhar; mines of Gurumahisani, Sulaipet, Badampahar (Mayurbhanj), Kiruburu (Kendujhar), Bonai (Sundergarh) | India’s leading producer (~35% share) |
| Jharkhand | Noamundi & Gua in Poorbi and Pashchimi Singhbhum? — some of India’s oldest mines; iron-and-steel plants cluster around them | Belt extends to Durg, Dantewara & Bailadila |
| Chhattisgarh | Bailadila?; Dalli and Rajhara in Durg | Bailadila exports high-grade ore via Visakhapatnam |
| Karnataka | Sandur–Hospet area of Ballari; Baba Budan hills? and Kudremukh? in Chikkamagaluru; parts of Shivamogga, Chitradurg & Tumakuru | Kudremukh ore was at one time exported as fine concentrate |
| Maharashtra | Chandrapur, Bhandara, Ratnagiri | Smaller share but important locally |
| Telangana | Karimnagar, Warangal | Linked to Singareni coal |
| Andhra Pradesh | Kurnool, Cuddapah, Anantapur | Feeds Visakhapatnam steel plant |
| Tamil Nadu | Salem, Nilgiris | Magnetite-rich zones |
| Goa | Multiple coastal mines | Has emerged as an important producer of iron ore |
Chart — Top iron-ore producing states in India (approximate share of production)
Odisha leads, followed by Jharkhand and Chhattisgarh; together these three account for nearly 80% of India’s output.
Manganese
Manganese is an important raw material for the smelting of iron ore and for manufacturing ferro-alloys. Manganese deposits are found in almost all geological formations but are mainly associated with the Dharwar system.
| Producer | Major mining areas |
|---|---|
| Odisha (~35% leading producer) | Bonai, Kendujhar, Sundergarh, Gangpur, Koraput, Kalahandi, Bolangir |
| Madhya Pradesh | Balaghat — Chhindwara — Nimar — Mandla — Jhabua belt |
| Karnataka | Dharwar, Ballari, Belagavi, North Canara, Chikkmagaluru, Shivamogga, Chitradurg, Tumakuru |
| Maharashtra | Nagpur, Bhandara, Ratnagiri (disadvantage: located far from steel plants) |
| Other minor producers | Telangana, Goa, Jharkhand |
NCERT in-text question
“Why is the major iron and steel industry located in the North-Eastern Plateau region?”Answer: Because the region simultaneously offers iron ore (Singhbhum, Mayurbhanj, Bailadila), coking coal (Jharia, Raniganj, Bokaro), manganese, limestone, water from the Damodar and a dense railway network — all the inputs of integrated steel plants are within short rail distance.
Non-Ferrous Minerals
India is poorly endowed with non-ferrous metallic minerals except for bauxite. We will look at bauxite and copper here; mica and other non-metallics are taken up in Part 2.
Bauxite
Bauxite? is the ore used in the manufacture of aluminium. It is found mainly in Tertiary deposits and is associated with laterite rocks occurring extensively on the plateau or hill ranges of peninsular India and also along the country’s coastal tracts.
| State | Producing areas |
|---|---|
| Odisha (~50% — largest producer) | Kalahandi, Sambalpur (leading); Bolangir, Koraput; Panchpatmali plateau supplies the National Aluminium Co. (NALCO) smelter at Damanjodi/Angul |
| Jharkhand | Patlands of Lohardaga (rich deposits) |
| Maharashtra | Kolaba, Thane, Ratnagiri, Satara, Pune, Kolhapur |
| Chhattisgarh | Amarkantak plateau |
| Madhya Pradesh | Katni–Jabalpur area, Balaghat |
| Gujarat | Bhavnagar, Jamnagar (major coastal deposits) |
| Minor producers | Tamil Nadu, Karnataka, Goa |
Copper
Copper is an indispensable metal in the electrical industry for making wires, electric motors, transformers and generators. It is alloyable, malleable and ductile. Copper is also mixed with gold to provide strength to jewellery.
| Producer | Districts |
|---|---|
| Jharkhand | Singhbhum district (the country’s oldest copper belt; Mosabani, Rakha, Roam mines) |
| Madhya Pradesh | Balaghat district (Malanjkhand — the largest single copper deposit in India) |
| Rajasthan | Jhunjhunu and Alwar districts — the famous Khetri copper belt operated by Hindustan Copper Ltd. |
| Minor producers | Agnigundala (Guntur, Andhra Pradesh); Chitradurg & Hasan (Karnataka); South Arcot (Tamil Nadu) |
Source — Why ore-coal proximity matters
Geographer’s observation
“Indian iron-ore mines occur in close proximity to the coal fields in the north-eastern plateau region of the country, which adds to their advantage.”
— NCERT, Class XII (paraphrased)
Q. Using examples of Singhbhum (iron ore) and Jharia (coal), explain why this proximity reduced the cost of producing steel in India.
Answer guide: Coking coal is heavy and expensive to transport. When iron ore (Noamundi, Singhbhum) and coal (Jharia, Bokaro) lie within ~150 km of each other and on a common rail network, the freight bill on bulk inputs falls sharply. This is why the Tata Iron and Steel Company (1907 Jamshedpur), Bokaro, Rourkela and Durgapur all sit in or near this corridor.
Competency-Based Questions — Mineral Resources of India
Case Study: A geographer is preparing a teaching note on India’s mineral economy. She points out that nearly all of India’s metallic minerals come from a few states east of a Mangaluru–Kanpur line, that 95% of iron ore is concentrated in 8 states with Odisha alone contributing about 35%, and that Odisha leads in bauxite (~50%) thanks to laterite-capped hills like Panchpatmali. Use this information to answer the questions below.
1. Which of the following correctly identifies the two main types of iron ore mined in India?
L3 Apply
Answer: (a) Hematite and magnetite. NCERT specifies these as the two main ore types found in India; both are oxide ores of iron and yield the high-grade material that is in international demand.
2. Why does the alluvial belt of north India have practically no metallic minerals while peninsular India is richly endowed?
L4 Analyse
Answer: Metallic minerals crystallise inside igneous and metamorphic rocks formed during the pre-Palaeozoic. Peninsular India consists of these old crystalline rocks exposed at the surface, so the ore bodies are within reach. The northern plains, by contrast, are blanketed by recent alluvium — a thin sedimentary cover laid down by the Ganga, Yamuna and Brahmaputra. The bedrock that might host minerals lies buried beneath kilometres of unconsolidated sediment, making extraction uneconomic.
3. Odisha alone produces about 50% of India’s bauxite and 35% of its iron ore. What does this tell us about regional inequality in the mineral economy?
L5 Evaluate
Answer: The data show extreme spatial concentration. Such concentration creates a paradox — Odisha contributes a disproportionate share of national mineral wealth yet its per-capita income remains below the national average, a problem economists call the “resource curse.” Royalties, displacement of tribal communities (Niyamgiri, Kalinganagar), and ecological costs (deforestation, air-pollution) accrue locally while the metal — and most of the value-added — flows out. A balanced policy must couple resource extraction with downstream value-addition (smelters, steel mills) and reinvestment of royalties into health, education and skill formation in producing districts.
4. Imagine you are advising the Government on locating a new aluminium smelter. Using only mineral-distribution logic, propose a state and justify your choice.
L6 Create
Answer (model): The smelter should be sited in Odisha — specifically at the foot of the Panchpatmali / Damanjodi plateau in Koraput district. Reasons: (i) Odisha holds about 50% of India’s bauxite reserves, so feedstock is at the gate; (ii) the Hirakud and Upper Indravati hydro-electric projects supply cheap power, which is critical because aluminium smelting consumes ~14 MWh/tonne; (iii) the Paradip port is only 350 km away for export; (iv) NALCO already operates a successful integrated complex here, proving the locational logic. A second smelter could be considered at Lohardaga (Jharkhand) which sits on Patland bauxite, but Odisha’s reserves and grid power make it the prior choice.
HOT — The Mangaluru–Kanpur line is described as a “mineral divide.” Argue for or against the claim that this line is becoming less relevant in 21st-century India.
L5 Evaluate
Answer: Geologically the line still holds — the great Archaean ore bodies cluster east of it. But economically it is becoming less binding because: (a) imported coking coal at Paradip / Visakhapatnam now feeds steel plants on the east coast, decoupling them from local coal; (b) west-coast refineries (Jamnagar, Vadinar) and offshore Mumbai High oilfields shifted India’s energy gravity westwards; (c) renewable resources — solar (Bhadla), wind (Muppandal) — are concentrated west and south of the line. So while metallic-mineral geography still respects the line, energy and value-addition geography no longer do.
Assertion & Reason — Mineral Distribution
Assertion (A): Iron-and-steel plants in India are concentrated in the North-Eastern Plateau region.
Reason (R): The North-Eastern Plateau has both iron ore and coking coal in close proximity along with limestone and water.
Reason (R): The North-Eastern Plateau has both iron ore and coking coal in close proximity along with limestone and water.
Correct: (A) — The locational triangle of iron ore (Singhbhum, Bailadila), coking coal (Jharia, Bokaro) and limestone (Birmitrapur) is precisely the reason Jamshedpur, Bokaro, Rourkela and Durgapur sit in this belt.
Assertion (A): Bauxite is mostly found in laterite-capped plateaus of peninsular India.
Reason (R): Laterite rocks form under hot, humid tropical conditions where intense leaching concentrates aluminium oxides.
Reason (R): Laterite rocks form under hot, humid tropical conditions where intense leaching concentrates aluminium oxides.
Correct: (A) — Bauxite is a residual deposit; tropical weathering removes silica and leaves Al-rich residues. Panchpatmali (Odisha) and Lohardaga (Jharkhand) are textbook examples.
Assertion (A): The Northern Plains of India have very few commercially exploitable mineral deposits.
Reason (R): The Northern Plains are made up of recent alluvium that is too young and too thin to host metallic ore bodies.
Reason (R): The Northern Plains are made up of recent alluvium that is too young and too thin to host metallic ore bodies.
Correct: (A) — Quaternary alluvium is geologically too young (a few thousand to a few hundred thousand years) for ore-forming processes; the bedrock with potential minerals lies kilometres below and is uneconomic to mine.
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