The Wopmay Orogeny, Involving the Slave Craton and an Island

question 19

Multiple Choice

The Wopmay orogeny, involving the Slave craton and an island arc, tells us that

• A) the Proterozoic crust was still hot and plastic like the Archean crust.
• B) there were no glaciers were present on Earth at this time.
• C) Proterozoic orogenies are much like Phanerozoic orogenies.
• D) it does no good to look for Proterozoic flysch and molasse deposits.

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