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Author Question: What is the basic difference between the Archean and the Proterozoic? What will be an ideal ... (Read 65 times)

mynx

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What is the basic difference between the Archean and the Proterozoic? What will be an ideal response?

Question 2

What are the three main rock types that characterize Archean shield areas? What will be an ideal response?



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potomatos

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Answer to Question 1

The Archean was much hotter, so crustal evolution was different.

Answer to Question 2

Granite, gneiss, and greenstone belts.




mynx

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Reply 2 on: Jul 15, 2018
:D TYSM


daiying98

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Reply 3 on: Yesterday
Excellent

 

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