Review for Test 2

1. Be able to sketch plate interactions for convergence, divergence, and transform boundaries. You should be able to do six sketches.
2. Who was Harry Hess? Make sure you know the answers to the questions about Birth of a Theory.
3. Be familiar with the essay about Lake Nyos. What is the impact of dissolved gases upon eruptions? How can you predict that a volcano is soon to erupt?
4. What are the the three locations at which most volcanoes occur?
5. Describe the main events of the eruption of Mt. St. Helens.
6. What is a mid-oceanic spreading center? Describe it.
7. What is Mt. Kenya and Ship Rock?
8. Be able to distinguish texture from composition in igneous rocks. What are the main six types we examined in lab?
9. Know the main features of Louisiana geology. What was the role of the opening of the opening of the Gulf of Mexico? What is a salt dome? How did the delta switch locations?
10. What are the main feature of the continental margin and the ocean bottom? How do we know?
11. How do island atolls form?
12. Where are the oldest portions of continents located?
13. Be able to identify the world's major mountain ranges and discuss how they formed.
14. Be able to connect the rocks and processes of the rock cycle to the tectonics which helped form them.