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ES 100 Midterm 2 Study Guide. 15 November, 2004 Dr. Sherilyn Williams-Stroud Attached are the quizzes on chapters 9-12, and an answer key. Make sure you understand the concepts represented in the quiz multiple choice questions. To prepare for the material in chapter 13, review the graded quiz you took on line for that chapter. Make sure you also understand how to apply relative dating to a deformed structure using bedding, faulting and cross-cutting relationships. Understand the different types of mass wasting – the difference between slides and flows, and the speeds at which the different types of mass movements travel downhill Understand the relationships between the ages of beds in the middle of an anticline or syncline with the ages of the beds on the flanks of each of those structures. Be able to draw a cross section of an anticline or syncline. Read and understand the textbook section in chapter 13 dedicated to the Ogallala Aquifer. Understand what causes groundwater tables to drop and not recover, what is porosity and permeability, and what is recharge. If you want even more to study, I have also attached my lecture notes (the ones I typed – I don’t have type-up lecture notes for chapter 12) for chapters 9-13.
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Name: __________________________ Date: _____________ 1. Marble is a metamorphic rock that forms from __________? A) granite B) limestone C) sandstone D) shale 2. What is metasomatism? A) a change in the bulk composition of a rock during metamorphism B) metamorphism caused by circulation fluids heated by nearby magmatic intrusions C) metamorphism caused by tectonic movements along faults D) the parallel alignment of minerals in a metamorphic rock 3. What type of metamorphism is caused by high temperature and high pressure imposed over a large volume of crust? A) burial B) contact C) regional D) shock 4. What type of metamorphism is caused by igneous intrusions? A) burial metamorphism B) contact metamorphism C) regional metamorphism D) shock metamorphism 5. Which of the following statements regarding radiometric dating is true ? A) After two half-lives, no radioactive atoms remain. B) Carbon-14 cannot be used to date material more than 100,000 years old. C) Sedimentary rocks can be dated more easily than igneous rocks. D) The radioactive decay product is called the parent atom.
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6. Radiometric dating is least useful for dating __________ rocks. A) basaltic B) granitic C) metamorphic D) sedimentary 7. Radiometric dating is possible if a rock contains a measurable amount of ___________. A) daughter atoms B) parent atoms C) both daughter and parent atoms D) either daughter or parent atoms 8. The parallel alignment of mica in a metamorphic rock is an example of ______. A) bedding
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