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Glaciation

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  • A narrow, steep-sided ridge between two cirques
    Aretes
  • Many ribbon lakes joined together, resemble rosary beads
    Paternoster Lakes
  • Long narrow lakes on the floor of U-shaped valleys
    Ribbon Lakes
  • Name one possible cause of the ice age
    Earths orbit/axis changing, Ocean currents or less carbon dioxide in the atmosphere
  • Striations are...
    scratch marks left behind after abrasion happens
  • Name the two processes of glacial erosion
    Plucking & Abrasion
  • A basin-shaped hollow in a mountain with three steep sides
    Cirque
  • Plucking is...
    when the glacier plucks frozen meltwater and rocks from the ground as it moves downhill
  • Abrasion is...
    when rocks scrape the sides & bottom of the valley floor as the glacier moves
  • Interlocking spurs which have had the ends chopped off by a glacier
    Truncated spurs
  • A wider, less narrow V-shaped valley
    U-shaped valley
  • A lake found in a cirque
    Tarn
  • A steep-sided peak with three or more sides
    Pyramidal peak
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