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Enviado por gouki85 • 19 de Junio de 2013 • 222 Palabras (1 Páginas) • 252 Visitas
Chapter Quiz for "Chapter 14 - Convergent Boundaries: Mountain Building and the Origin of Continents"
Scores for student "OSCAR NARANJO"
10 out of 10 points. 100.0%
1. Collision mountain belts form along __________ boundaries.
+ Correct: convergent
2. Geologists refer to an accreted crustal block that has a geologic history distinct from the adjoining region as a __________.
+ Correct: terrane
3. Which of these mountain belts formed at about the same time as the Appalachians?
+ Correct: Caledonians
4. Which of these mountainous regions appear to have formed principally from the accretion of small crustal fragments?
+ Correct: mountains of Alaska and British Columbia
5. Some mountain ranges consist mainly of a chain of volcanic structures.
+ Correct: true
6. Which one of these mountain belts was NOT formed by a continental collision?
+ Correct: Andes
7. Most of Earth’s major mountain belts formed during the collision of two or more buoyant crustal blocks.
+ Correct: true
8. The Appalachians were produced during the formation of Pangaea when these continents collided.
+ Correct: North America, Europe, and Africa
9. Collision mountain belts form principally because __________.
+ Correct: continental crust is too buoyant to undergo appreciable subduction, and therefore a collision between continental fragments results
10. When an island arc collides with a continental margin __________.
+ Correct: the island arc is “peeled” from the subducting plate and thrust upon the continents
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