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.
Correct Answer:
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Q8: The Ediacaran fossil with three-fold symmetry that
Q9: Cratons of modern proportions first began to
Q10: Animals probably originated during
A) Paleoproterozoic.
B) Mesoproterozoic.
C) Neoproterozoic.
D)
Q11: Until at least halfway through Paleoproterozoic (about
Q12: The transition from shelf deposition to deepening
Q14: Proterozoic "elephant skin" bedding surfaces indicates
A) ripples
Q15: The bilaterally symmetrical soft-bodied Ediacaran fossil Kimberella
Q16: In the Wopmay orogenic sequence of sediments,
Q17: It is likely that the intracellular body
Q18: The main exposed part of the North
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