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UPSC Prelims · General Studies

Geography

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Geomorphology and the Earth

Rocks and minerals

Practise 1 PYQ

Concepts to cover

  1. Major minerals of the crust: feldspar, quartz, mica, pyroxene, amphibole, olivine
  2. Igneous rocks: intrusive and extrusive, granite and basalt
  3. Sedimentary rocks: mechanical, organic and chemical origin; limestone, chalk, sandstone, shale
  4. Metamorphic rocks and the rock cycle
  5. Porosity and permeability of rocks: chalk, clay, sandstone, granite
Where to study

Our Environment, Class VII, chapter 2: Inside Our Earth (Reprint 2024-25)

  • ch. 2, Inside Our Earth, p. 1-5 (book pages 7-11)
  • ch. 2, Rocks and Minerals, p. 2 (book page 8)

Certificate Physical and Human Geography · Goh Cheng Leong

  • ch. 2, The Earth's Crust
  • ch. 4, Weathering, Mass Movement and Groundwater
  • ch. 8, Limestone and Chalk Landform

UPSC Detailed (Micro Topic) Syllabus: Geography (Prelims)

  • Geology and Rock system
  • Minerals

Fundamentals of Physical Geography, Class XI, chapter 5: Geomorphic Processes (Reprint 2026-27)

  • ch. 5, permeability, p. 4 (book page 39)
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