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19 Matching questions

  1. A fiord is ________.
  2. Which of the following glacial features would typically be found in close proximity?
  3. Which of the following is often associated with a cirque basin in high, mountainous terrain?
  4. Where is the world's largest ice sheet located today?
  5. ________ are erosional features produced by valley/alpine glaciers.
  6. What type of moraine would be most useful for tracing diamond-bearing kimberlite fragments directly to their bedrock source area?
  7. Which process occurs where a glacier enters the sea?
  8. The ________ of the geologic time scale represents the time of the most recent "Ice Age."
  9. Approximately how long ago did the last of the great North American ice sheets melt?
  10. A ________ is an erosional feature specifically produced by alpine glaciation.
  11. ________ is the best explanation for a glacial surge.
  12. Abrasion and plucking generally involve what part of a glacier?
  13. A(n) ________ is likely to host a waterfall or steep rapids today.
  14. A ________ forms when stagnant, glacial ice melts after being buried by drift.
  15. How do icebergs in the North Atlantic Ocean originate?
  16. What type of moraine is formed by the merging of two lateral moraines at a junction of two valley glaciers?
  17. A ________ cross-valley profile is typical of canyons and valleys eroded and deepened by alpine or valley glaciers.
  18. Which one of the following applies to a valley glacier that lengthens (extends its terminus downslope) over a period of many years?
  19. ________ is one of the two major flow mechanisms in a glacier.
  1. a the basal, sliding zone
  2. b Pleistocene epoch
  3. c Antarctica
  4. d tarn lake
  5. e Melting at the base of the glacier resulting in increased rates of basal slip
  6. f hanging valley and truncated spur
  7. g Cirques
  8. h calving
  9. i medial
  10. j Accumulation exceeds wastage.
  11. k by calving of large piedmont glaciers in Greenland
  12. l U
  13. m kettle
  14. n Basal slip
  15. o U-shaped valley
  16. p a stream valley, deepened by glacial erosion, that floods as sea level rises
  17. q lateral, valley or alpine glacier
  18. r 15,000 yrs
  19. s hanging valley