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Minerals and Power Resources

ICSE · Class 12 · Geography

Quick revision notes for Minerals and Power Resources — ICSE Class 12 Geography. Key concepts, formulas, and definitions for last-minute revision.

70 questions40 flashcards5 concepts

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Key Topics to Revise

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1. Minerals: meaning, types, and features

  • A mineral is a natural substance of organic or inorganic origin with definite chemical and physical properties.
  • Minerals are classified into two main types: metallic minerals and non-metallic minerals.
  • Metallic minerals contain metal and provide metals on melting. Examples include iron ore, copper, manganese, nickel, and chromite.
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2. Distribution of minerals in India

  • Minerals in India are unevenly distributed because of varied geological formations.
  • Most minerals are found in older rock formations.
  • Iron ore and manganese occur in the Dharwar System of pre-Cambrian rocks.
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3. Iron ore: varieties, reserves, and production

  • Iron ore is the backbone of modern civilisation and the foundation of basic industry.
  • Four major varieties of iron ore are magnetite, haematite, limonite, and siderite.
  • Magnetite is the best quality iron ore, contains 72% pure iron, and has magnetic property.
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4. Mica and bauxite

  • Mica has been used in India since ancient times as a medicinal item in Ayurveda and is known as abhrah.
  • Mica is important in electrical and electronic industries because of its insulating properties.
  • Mica can withstand high voltage and has a low power-loss factor.

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Full Notes

Key Concepts

A mineral is a natural substanceThese minerals contain metal and provideThese minerals do not contain metalsFerrous minerals contain iron andIron ore is called the backbone

Frequently Asked Questions

What are the important topics in Minerals and Power Resources for ICSE Class 12 Geography?
Minerals and Power Resources covers several key topics that are frequently asked in ICSE Class 12 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Minerals and Power Resources — ICSE Class 12 Geography?
Understand the core concepts first, then work through the 70 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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