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Author Question: Explain the formation of patterned ground. What will be an ideal ... (Read 156 times)

geodog55

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on: Jul 13, 2018
Explain the formation of patterned ground.
 
  What will be an ideal response?

Question 2

You are out on a mountain hike overlooking a valley that you were told was glaciated. Provide some evidence that the mountain stream valley you are looking at has been glaciated.
 
  What will be an ideal response?
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duke02

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Reply #1 on: Jul 13, 2018
Answer to Question 1

Answer: Patterned ground is a periglacial phenomenon common to the tundra. They form in the active layer because of freeze and thaw and sometimes form polygons. Other times they are caused by growing wedges of ice in the active layer.

Answer to Question 2

Answer: There are all sorts of possible evidence: U-shaped profile, glacial steps, hanging troughs, etc. could be mentioned and defined. The valley will have a preponderance of erosional rather than depositional features.


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geodog55

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Reply #2 on: Jul 13, 2018
Correct answers!


duke02

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Reply #3 on: Jul 13, 2018
Great! Please up vote :D


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