Greenstone belts were formerly
A) oceanic crust that was altered by extraterrestrial impacts.
B) forearc basins and deformed oceanic crust that have not been metamorphosed.
C) protocontinents, stromatolites, and island arcs.
D) forearc basins, deformed oceanic crust, and volcanic arcs.
Correct Answer:
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Q1: The Hadean and Archean eons encompasses about
Q2: The origin of Earth's early felsic crust
Q4: Although the origin is unclear, most cratons
Q5: The silica in Archean chert came from
A)
Q6: Microcontinents were made from
A) weathering and metamorphism
Q7: The axial tilt of Earth is likely
Q8: The first surface of Earth was likely
Q9: Before the formation of our solar system,
Q10: The origin of Earth's Moon was
A) waves
Q11: The reason that Archean protocontinents were small
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