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Concept Maps

Rocks — Concept Maps

ICSE · Class 11 · Geography

4 concept maps of Rocks for ICSE Class 11 Geography, each also written out as a text outline. Part of the ICSE Class 11 Geography syllabus.

44 questions40 flashcards5 concepts

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A comprehensive flowchart illustrating the continuous process by which rocks are transformed from one type to another (igneous, sedimentary, metamorphic) through various geological processes like weat
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4 Concept Maps

Complete Overview of Rocks Chapter

Complete Overview of Rocks Chapter

The map in words

  • ROCKS
    • Minerals
      • 2000 total minerals
      • 12 Rock-formers
      • Silicates 87 percent crust
      • Carbonates
      • Sulphides
      • Metals
    • Igneous Rocks
      • Origin from Magma
      • Parent or Primary Rocks
      • Classification
        • By Composition
          • Mafic Fe and Mg rich
          • Felsic Feldspar rich
        • By Texture
          • Phaneritic large crystals
          • Aphanitic small crystals
          • Porphyritic mixed size
        • By Location
          • Extrusive Basalt Obsidian
          • Intrusive
            • Plutonic Granite
            • Hypabyssal Dolerite
      • Rock Bodies
        • Batholith largest
        • Stock smaller
        • Laccolith dome shaped
        • Sill horizontal
        • Dyke vertical
    • Sedimentary Rocks
      • Formed by deposition
      • Stratified layered
      • Lithification process
      • Classification
        • Clastic broken particles
        • Non-clastic chemical organic
        • Organic Calcareous Carbonaceous
        • Inorganic Arenaceous Argillaceous
        • By Agent Marine Riverine Aeolian Glacial
      • Contains Fossils
    • Metamorphic Rocks
      • Heat and Pressure change
      • Types
        • Dynamic Pressure
        • Thermal Temperature
        • Regional Large scale
        • Contact Local zone
      • Examples
        • Granite to Gneiss
        • Limestone to Marble
        • Sandstone to Quartzite
        • Shale to Slate
    • Rock Cycle
      • Igneous to Sedimentary
      • Sedimentary to Metamorphic
      • Metamorphic back to Magma
      • Driven by Earth heat
      • Driven by Solar energy
    • India Distribution
      • Deccan Trap Igneous Basalt
      • Indo Gangetic Plain Sedimentary
      • Himalayas Metamorphic Core

Flowchart showing the two main types of metamorphism and resulting rock transformations

Flowchart showing the two main types of metamorphism and resulting rock transformations

The map in words

  • Original Rocks
    • Metamorphic Agency?
      • Pressure Dynamic Metamorphism": Foliated Rocks Visible banding Layered structure
        • Granite → Gneiss
        • Shale → Schist
        • Coal → Anthracite
      • Heat Thermal/ Contact Metamorphism": Non-foliated Rocks No visible layers Crystalline
        • Limestone → Marble
        • Sandstone → Quartzite
        • Shale → Slate

Pie chart showing the percentage composition of the eight most abundant elements in Earth's crust

Pie chart showing the percentage composition of the eight most abundant elements in Earth's crust

The map in words

  • Oxygen: 46
  • Silicon: 28
  • Aluminium: 8
  • Iron: 6
  • Magnesium: 4
  • Calcium: 2.4
  • Potassium: 2.3
  • Sodium: 2.1

Rocks as natural materials forming the earth's crust and their classification by origin, composition, texture, and transformation

Rocks as natural materials forming the earth's crust and their classification by origin, composition, texture, and transformation

The map in words

  • Rocks as natural materials forming the earth's crust and their classification by origin, composition, texture, and transformation
    • Lithosphere
    • Minerals
    • Silicates
    • Carbonates
    • Sulphides
    • Metals
    • Igneous rocks
    • Sedimentary rocks

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Frequently Asked Questions

What are the important topics in Rocks for ICSE Class 11 Geography?
Key topics in Rocks include Mineral Basis of Rocks, Definition and Classification of Rocks, Igneous Rocks, Igneous Rock Bodies. Study these first, then practise questions on each for Class 11 exams.
What do the concept maps for Rocks show?
The 4 maps show how the ideas in Rocks connect: Complete Overview of Rocks Chapter; Flowchart showing the two main types of metamorphism and resulting rock transformations. Each map is also written out as an outline on this page.
How should I revise Rocks for Class 11 exams?
Learn the core ideas first, then work through the 44 practice questions on Rocks. Revise 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.

More resources for Rocks

All ICSE Class 11 Geography Concept Maps

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