Multiple Choice
If the North Atlantic began to rift about 200 m.y. ago, initiating the break up of Pangaea, where are the Jurassic basalts from that initial rifting?
A) on the Mid- Atlantic Ridge under Iceland
B) as outcrops and as basement to the continental shelves' sediment sequences along the eastern seaboard of North America and along the western coast of north Africa
C) subducted beneath the Bermuda triangle
D) There aren't any left; they all got recycled back into the mantle along subduction zones underneath western Europe and Brazil.
Correct Answer:

Verified
Correct Answer:
Verified
Q26: Wegener's supercontinent that began to break up
Q27: How does the polar wander curve for
Q28: The _is an example of an active,
Q29: What is the most likely explanation for
Q30: Pull- apart, rift zones are generally associated
Q32: _was never proposed as evidence supporting the
Q34: A curved line of volcanic islands spaced
Q35: The west coast of South America is
Q36: Anywhere in the world, _most effectively outline
Q79: What is the ultimate source for the