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Author Question: Paleozoic sedimentary rocks derived from marine deposits are widely distributed in all of the ... (Read 54 times)

abarnes

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on: Jul 29, 2018
Paleozoic sedimentary rocks derived from marine deposits are widely distributed in all of the continents. What does this indicate about the height of the continents relative to sea level during the Paleozoic?
 
  What will be an ideal response?

Question 2

The ordering of rocks in sequence by their comparative ages is called
 
  A) faunal succession.
  B) original horizontality.
  C) relative dating.
  D) uniformitarianism.


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b614102004

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: During the Paleozoic, periodic active and rapid seafloor spreading allowed the oceanic lithosphere to stand high on the asthenosphere. This resulted in shallower ocean basins, a condition that forced seawater onto low portions of the continents. The ultimate result was a rise in sea level and the formation of shallow seas on top of continental crust.

Answer to Question 2

Answer: C


abarnes

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Reply #2 on: Jul 29, 2018
Thank you!


b614102004

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Reply #3 on: Jul 29, 2018
Always glad to help...


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