Prelims · 3 Physical & World Geography · 3.3 Rocks and geomorphology

3.3.5 Glacial landforms: cirques, aretes, U-shaped valleys, moraines and drumlins

Moving ice erodes mountains into cirques, horns, aretes and U-shaped valleys, and drops unsorted debris as moraines, drumlins and eskers, with meltwater spreading sorted outwash beyond the ice.

  • APPSC Group 2 · Prelims
  • Standard level
  • 7 min read
  • Full course

Key terms

  • glacier
  • ice sheet
  • valley glacier
  • plucking
  • abrasion
  • cirque
  • tarn
  • horn
  • Matterhorn
  • arete
  • U-shaped valley
  • glacial trough
  • hanging valley
  • fjord
  • roche moutonnee
  • moraine
  • terminal moraine
  • lateral moraine
  • medial moraine
  • ground moraine
  • till
  • outwash plain
  • esker
  • drumlin
  • kame
  • kettle
  • GLOF
  • Gangotri
  • Siachen

What this note covers

  1. Core factsFoundation
  2. ExplainedStandard
  3. DeeperAdvanced
  4. Mains writingMains writing
  5. Common trapsFoundation
  6. Quick revisionFoundation

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