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ch01_text - CHAPTER 1 GROTZINGER,JORDAN PRESS& SIEVER...

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Unformatted text preview: CHAPTER 1 GROTZINGER,JORDAN PRESS & SIEVER, Concepts you need to know for Concepts you need to know for the quizzes and exams the quizzes and exams • The Scientific method • Principle of Uniformitarianism • Major chemical Composition of the Earth vs. crust • Major layers of the earth Lecture Outline Lecture Outline 1. What is Earth Science? 1. What is Earth Science? 2. The scientific method 2. The scientific method 3. The geologic record 3. The geologic record 4. Discovery of a layered Earth 4. Discovery of a layered Earth 5. Earth as a system of interacting 5. Earth as a system of interacting components components Lecture Outline Lecture Outline 1. What is Earth Science? 1. What is Earth Science? 2. The scientific method 2. The scientific method 3. The geologic record 3. The geologic record 4. Discovery of a layered Earth 4. Discovery of a layered Earth 5. Earth as a system of interacting 5. Earth as a system of interacting components components Earth Scientists study: • Rocks (Mineralogy) • the earth (Geodynamics) • the moon (Petrology) • the physical evidence for the solar system • chemistry of the solar system (Geochemistry) • physics of earthquakes (Geophysics) • past biology (Paleontology) The main difference between Earth Science and the rest of the sciences (except for astrophysics) is the use of “DEEP TIME”. For us a million years passes like a 15-minute break. Geological processes can take place more slowly than people can notice. But because they run for extremely long periods of time their effects are great. Water recharge in Baton Rouge takes 1000 years Climate change has been accelerated by CO 2 emissions over the past 100 years. Lecture Outline Lecture Outline 1. What is Earth Science?...
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This note was uploaded on 07/07/2009 for the course GEOL 1001 taught by Professor Baksi during the Spring '07 term at LSU.

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ch01_text - CHAPTER 1 GROTZINGER,JORDAN PRESS& SIEVER...

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