Wednesday, June 17, 2009

GLACIAL EROSION

CLASSIFICATION THE BASIS OF ALTITUDE

High Latitude

  • Cirques
  • Pyramidal Peak

Middle Latitude

  • Glaciated trough
  • Truncated Spurs
  • Ribbon Lakes
  • Hanging Valley

Coastlines

  • Fjords
  • Skjaergard and Strandflat
  • Fjards
  • Fohrden

Lowlands

  • Polished rock
  • Striations
  • Grooves
  • Chattermarks
  • Roches moutonees
  • Rock drumlins
  • Glacial basins
CLASSIFICATION THE BASIS OF SCALE

Small scale

  • Striated,polished grooved surface
  • Chattermarks & crescentic grooves
  • Jagged rockfree particularly moulded forms ( P-forms & Nye-Forms)

Intermediate Scale

  • Large Groove
  • Roche Moutonnees
  • Rocky Knolls

Large Scale Features

  • Cirques
  • Steep-sided rock ridge
  • ArĂȘte
  • Horns
  • Troughs
  • V-shaped Troughs

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