Glacial terms

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Across
  1. 3. a mass of rocks and sediment
  2. 4. rounded area of land cut off by glacier
  3. 8. mass of small loose stones on a mountain
  4. 9. body of water in base of glacial trough
  5. 10. small valley which meets main glaciated valley
  6. 12. sharp knife edge ridge separating glacial valleys
Down
  1. 1. rounded hollow in mountainside where glacial ice formed
  2. 2. giant boulder carried by glacial ice
  3. 5. a deep open crack in a glacier
  4. 6. circular lake usually found in bottom of corrie
  5. 7. where 3 or more corries and arretes meet
  6. 11. frozen water which makes a glacier