With reference to India, consider the following statements: 1. Monazite is a source of rare earths. 2. Monazite contains thorium. 3. Monazite occurs naturally in the entire Indian coastal sands in India. 4. In India, Government bodies only can process or export monazite. Which of the statements given above are correct?

Updated 11 Apr 2026 · From UPSC Prelims GS Paper I 2022, Q19

Contents20
UPSC Prelims GS2022Geography
  1. A1, 2 and 3 only
  2. B1, 2 and 4 only
  3. C3 and 4 only
  4. D1,2, 3 and 4
Show answer

Answer: (B) 1, 2 and 4 only

The answer is (B) Statements 1, 2, and 4 only.

Statement 1 is CORRECT:

Monazite is a reddish-brown mineral that is a major source of rare earth elements (used in electronics, magnets, defense tech, etc.).

Statement 2 is CORRECT:

Monazite also contains thorium, a slightly radioactive element similar to uranium that can potentially be used as nuclear fuel.

Statement 3 is WRONG:

Monazite is NOT found along the ENTIRE Indian coast. It's found in specific beach sand deposits mainly along the coasts of Kerala, Tamil Nadu, Odisha, Andhra Pradesh, Maharashtra, and Gujarat — not everywhere.

Statement 4 is CORRECT:

Because monazite contains thorium (a nuclear material), only government bodies like Indian Rare Earths Ltd (IREL) under the Department of Atomic Energy can process or export it.

Private companies cannot handle it.

Why this was asked

Monazite contains thorium, making it a nuclear material that only government bodies can process or export in India.

China controls most global rare earth supply, making India's monazite deposits strategically important for electronics and defense manufacturing.

The question tests knowledge of India's atomic minerals policy - students must distinguish between where monazite occurs versus government control over processing.

Monazite Mineral

Geography Monazite

Monazite: Properties, Composition & Strategic Importance

Must know

Monazite is a reddish-brown mineral containing rare earth elements and thorium

Found in beach sand deposits along specific Indian coastal states, not entire coastline

Only government bodies can process/export monazite due to thorium content

Good to know

Main deposits in Kerala, Tamil Nadu, Odisha, Andhra Pradesh

What is Monazite

Monazite is a reddish-brown phosphate mineral that serves as India's primary source of rare earth elements. Unlike common minerals, monazite is slightly radioactive because it contains thorium alongside rare earths.

Monazite Composition & Uses

Component

Percentage Range

Primary Uses

Strategic Importance

Rare Earth Elements

50-60%

Electronics, magnets, catalysts

Critical for defense & tech industries

Thorium

8-12%

Potential nuclear fuel

Future energy security

Phosphates

20-25%

Chemical industry

Industrial applications

Other oxides

10-15%

Various industrial uses

Supporting materials

Why This Matters for India

India has world's largest monazite reserves - strategic advantage in rare earth supply

Thorium content makes India a potential leader in thorium-based nuclear energy

Self-reliance in rare earths reduces dependence on China for critical materials

Export restrictions protect national strategic interests while allowing controlled trade

Exam traps

Trap: Statement 3 says monazite occurs in entire Indian coastal sands - it's only in specific states

Confusion: Students mix up monazite with general beach minerals - monazite is radioactive due to thorium

Common error: Thinking private companies can handle monazite - only government bodies allowed

Geography trap: Assuming all coastal states have monazite - mainly western and eastern coasts, limited on southern tip

Monazite Distribution in India

Geography coastal sands entire Indian coastal sands

Monazite Deposits: Location & Geographic Distribution

Must know

Monazite found in specific coastal areas, not entire Indian coastline

Major deposits: Kerala, Tamil Nadu, Odisha, Andhra Pradesh

Good to know

Beach sand deposits formed by wave action and mineral separation

Formation & Location

Monazite occurs in beach sand deposits formed when waves separate heavy minerals from lighter sand particles. These deposits are not uniform along India's coastline but concentrated in specific geological zones.

State-wise Monazite Distribution

State

Key Locations

Deposit Type

Significance

Kerala

Chavara, Neendakara

Beach sands

Largest reserves, IREL operations

Tamil Nadu

Kanyakumari district

Coastal deposits

High-grade monazite

Odisha

Chatrapur, Gopalpur

Beach placers

Major processing center

Andhra Pradesh

Srikakulam, Vishakhapatnam

Coastal sands

Significant reserves

Maharashtra

Ratnagiri coast

Beach deposits

Smaller deposits

Gujarat

Bhavnagar area

Coastal sands

Limited occurrence

Monazite Belt Map

Map of India showing monazite deposits along specific coastal areas in Kerala, Tamil Nadu, Odisha, Andhra Pradesh with processing centers marked

Monazite deposits are concentrated in specific coastal belts - not the entire 7,500 km Indian coastline

Exam traps

Major trap: UPSC tests whether monazite is found along entire coast vs specific areas only

Geographic confusion: Students assume all coastal states have monazite - West Bengal, Karnataka have minimal deposits

Coastline length trap: India has 7,500+ km coast but monazite occurs in <20% of it

Rare Earth Elements

Geography rare earths

Rare Earth Elements: Properties, Uses & Global Significance

Must know

17 elements - 15 lanthanides + scandium + yttrium

Critical for electronics, defense, renewable energy technologies

China controls 80%+ of global rare earth supply

Good to know

India has world's 5th largest reserves but limited processing capacity

What Makes Them 'Rare'

Rare earth elements are not actually rare in Earth's crust. They're called 'rare' because they're difficult to extract and purify - they occur mixed together and require complex chemical separation processes.

Key Rare Earth Elements & Applications

Element

Symbol

Key Applications

Strategic Importance

Neodymium

Nd

Permanent magnets, wind turbines

Renewable energy critical

Cerium

Ce

Catalysts, glass polishing

Automotive industry

Lanthanum

La

Camera lenses, hybrid batteries

Optical & energy storage

Europium

Eu

Red phosphors in displays

Electronics & lighting

Terbium

Tb

Green phosphors, sonar systems

Defense applications

Dysprosium

Dy

High-performance magnets

Electric vehicle motors

India's Rare Earth Position

IREL (Indian Rare Earths Ltd) - government PSU handling extraction and processing

Atomic Minerals Directorate conducts exploration for rare earth deposits

Strategic partnership with Japan and Australia to reduce China dependence

Processing challenge - India exports raw materials, imports processed rare earths

Thorium as Nuclear Material

Science And Technology thorium

Thorium: Properties, Nuclear Potential & India's Strategy

Must know

Thorium-232 is a fertile material that can be converted to fissile Uranium-233

India has world's largest thorium reserves - 25% of global total

Three-stage nuclear program designed to utilize thorium for energy security

Good to know

Slightly radioactive - safer than uranium but requires government control

Thorium vs Uranium

Thorium-232 cannot directly fuel nuclear reactors like uranium. It's a fertile material that must first be converted to Uranium-233 through neutron bombardment. This makes thorium reactors more complex but potentially safer and more abundant.

India's Three-Stage Nuclear Program

%%{init: {"flowchart": {"wrappingWidth": 460}}}%%
flowchart TD
  s1["`**Stage 1: Pressurized Heavy Water Reactors**
Use **natural uranium** to produce plutonium and electricity`"]
  s2["`**Stage 2: Fast Breeder Reactors**
Use **plutonium** from Stage 1 to breed more fissile material`"]
  s3["`**Stage 3: Thorium-based Reactors**
Use **thorium** with bred fissile material for long-term energy security`"]
  s1 --> s2
  s2 --> s3

Thorium vs Uranium Comparison

Aspect

Thorium

Uranium

Implication for India

Abundance

4x more abundant

Limited global reserves

Energy security advantage

Indian Reserves

25% of world total

<1% of world total

Domestic resource base

Radioactivity

Mildly radioactive

Highly radioactive

Easier handling & storage

Waste

Shorter-lived waste

Long-lived waste

Environmental advantage

Weapons Use

Difficult to weaponize

Can make weapons

Non-proliferation benefit

Exam traps

Technical trap: Thorium is fertile, not fissile - needs conversion to be nuclear fuel

Geography confusion: Students assume thorium comes from uranium mines - it comes from monazite

Program stages: UPSC may test whether India is in Stage 2 or 3 - currently Stage 2 with Stage 3 under development

Government Control of Strategic Minerals

Indian Polity Government bodies process or export

Legal Framework for Strategic Mineral Control in India

Must know

Atomic Energy Act 1962 gives government exclusive control over atomic minerals

IREL - main government body processing monazite under DAE

Private companies prohibited from handling thorium-bearing materials

Good to know

Export licensing required even for government entities

Why Government Control

Monazite contains thorium, which falls under atomic minerals regulated by the Atomic Energy Act 1962. This law gives the government exclusive rights over all atomic materials to ensure national security and prevent nuclear proliferation.

Key Government Bodies & Their Roles

Organization

Parent Ministry

Role in Monazite

Specific Functions

IREL (Indian Rare Earths Ltd)

Department of Atomic Energy

Primary processor

Mining, processing, marketing rare earths

AMD (Atomic Minerals Directorate)

Department of Atomic Energy

Exploration

Survey and assessment of atomic mineral deposits

AERB (Atomic Energy Regulatory Board)

PMO (Independent)

Regulation

Safety oversight and licensing

Department of Atomic Energy

PMO

Policy oversight

Overall atomic minerals policy and control

# Strategic Mineral Control
## Constitutional Basis
- Union List Item 53
- Atomic energy & minerals
- Parliamentary jurisdiction
## Primary Legislation
- Atomic Energy Act 1962
- Mines & Minerals Act 1957
- Export-Import Policy
## Implementing Agencies
- Department of Atomic Energy
- IREL
- AMD
- AERB
## Control Mechanisms
- Licensing system
- Export restrictions
- Processing monopoly
Exam traps

Ownership trap: UPSC may ask if private companies can handle monazite - answer is NO due to thorium content

Ministry confusion: Atomic minerals fall under PMO via DAE, not Ministry of Coal/Mines

Export vs processing: Both processing AND export are government-controlled, not just one of them