GEOL 240 Practice Midterm

GEOL 240 Practice Midterm - Dear Fall 2000 GEOL 240...

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Dear Fall 2000 GEOL 240 students. Please note that we have not discussed many of the questions that are on this particular mid-term--I have changed the order in which I discuss things since the time at which gave this mid-term. So please don't worry if some of these questions seem totally unfamiliar to you. They probably are. Just remember, if I haven't discussed a topic in the lecture, or it hasn't been covered in the assigned readings, I will not ask you about it on the mid-term. This sample mid-term is simply designed to show you what one of my test looks like, and to illustrate the level at which I expect you to understand things. ANSWER ALL QUESTIONS ON THE SCANTRON SHEET PROVIDED I. TRUE-FALSE Choose column 1 for T or 2 for F as indicated on your SCANTRON answer sheet. The entire statement must be true in order for it to be true. PS This is NOT designed to trick you. It simply allows me to gauge your understanding of several different issues within one question. 1. The age of the earth has been determined by dating primitive carbonaceous meteorites. 2. Rocks from the ocean floor and from continents are all about 200 million years old since this was the beginning of the current episode of continental drift. 3. The age of the earth is about 4.6 x 10 6 years. 4. The Sierra Nevada batholith formed above a subduction zone. 5. Deep focus earthquakes are always found at convergent plate boundaries. 6. The deepest earthquakes extend to about 700 km depth. 7. Stress = Force/Area 8. An earthquake's epicenter always lies on its fault plane. 9. An earthquake's hypocenter always lies on its fault plane. 10. Volcanoes are commonly found at transform plate boundaries. 11. Large granite batholiths are commonly found at convergent plate boundaries. 12. Linear magnetic anomalies parallel to transform faults can be used to measure spreading rates.
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13. The Hawaiian islands are an example of an island arc typically found at convergent plate boundaries. 14. Normal faulting produces crustal shortening. 15. The Cascade volcanoes in the Pacific Northwest are typical andesite volcanoes commonly found at convergent plate boundaries. 16. Strike slip faulting occurs when the intermediate principal stress, s2, is vertical.
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This note was uploaded on 09/26/2009 for the course GEOL 240Lxg taught by Professor 12:30-01:50pm during the Fall '07 term at USC.

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GEOL 240 Practice Midterm - Dear Fall 2000 GEOL 240...

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