Author Question: Continental growth during the Early Proterozoic development of Laurentia was related to ... (Read 162 times)

SO00

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Continental growth during the Early Proterozoic development of Laurentia was related to
  ___________________ _ of ___________________ _-age cratons Fill in the blank(s) with the appropriate word(s).



Question 2

The ___________________ _ forms the core of North America and is now tectonically inactive. Fill in the blank(s) with the appropriate word(s).



jointhecircus

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Answer to Question 1

accretion, Archean

Answer to Question 2

Canadian shield



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