Posted: July 20th, 2022
Physical Geology Written Assignment 4
Course: Physical Geology Written Assignment 4 Answer each of the assignment questions as completely as possible. When you use material from your reading or viewing, be sure to cite it properly. Do not merely copy answers from your reading and viewing materials. Formulate answers in your own words, citing source materials where you feel it is appropriate (i.e., strengthens your answer). Your answer to each question should be at least one typed page (avoid one-sentence definitions). 1. Explain the origin of gabbroic (basaltic), andesitic (dioritic), and granitic (rhyolitic) magmas. 2. Compare and contrast mechanical and chemical weathering. 3. What are the contributing factors in mass wasting? 4. Give examples of sedimentary rocks that are considered valuable and the ways in which they are used.
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Course: Physical Geology Written Assignment 5 Answer each of the assignment questions as completely as possible. When you use material from your reading or viewing, be sure to cite it properly. Do not merely copy answers from your reading and viewing materials. Formulate answers in your own words, citing source materials where you feel it is appropriate (i.e., strengthens your answer). Your answer to each question should be at least one typed page (avoid one-sentence definitions). 1. How would you distinguish each of these sets of materials: (a) schist and gneiss, (b) slate and phyllite, (c) quartzite and marble, (d) granite and gneiss? 2. Using the geologist’s definition of a stream as any body of running water, name and describe three ways in which a stream erodes its channel. 3. Explain what a drainage basin is, what a drainage pattern is, and how different patterns form. 4. What is the water table? Is it fixed in position? Is it really flat like a table?