Compared to normal continental crust in the middle of a stable craton, the crust under mountain belts can be _________.
A) about five times as thick at more than 160 km
B) about twice as thick at more than 70 km
C) about three times as thick at more than 100 km
D) about half as thick at less than 18 km
Correct Answer:
Verified
Q3: Thick blocks of crust carried toward a
Q4: What supercontinent drifted apart in the Proterozoic
Q5: The severed, upper part of a Jurassic
Q6: Mountains without active volcanic arcs are associated
Q7: The _of the Appalachian orogen consists of
Q9: How were the Ural Mountains (Russia) formed?
A)
Q10: What happens as the crust isostatically rises
Q11: What did the earliest continental crust resemble?
A)
Q12: When a subduction zone is established under
Q13: Mountain belts formed from folded marine sediments
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