Multiple Choice
What did the earliest continental crust resemble?
A) andesitic island arcs like the Aleutians
B) basaltic rift zones like East Africa
C) foreland and intracratonic basins with mature quartz-rich sandstones
D) giant protocontinents of silica-rich magmas formed from the early differentiation of Earth into crust, mantle, and core
Correct Answer:

Verified
Correct Answer:
Verified
Q120: Well defined linear mountain ridges with southwesterly-dipping
Q121: The rock sequences and mountainous topography of
Q122: Low elevation rounded mountains and hogbacks underlain
Q123: An Andean or Aleutian margin has the
Q124: On an Andean-type convergent margin, the continental
Q126: The east coast of North America is
Q127: What is the Meguma Zone in Nova
Q128: What other types of forces contribute to
Q129: The western two ranges of the Canadian
Q130: The oldest rocks are about _ and