1GEOL 1010-003 Introduction toPhysical GeologyJoseph R. SmythOffice Benson 340BOffice Hours: 11-12 AM Mon/WedGEOL 1010-003•Web Site: http://ruby.colorado.edu/~smyth/ G1010syl.html•Text:–Understanding Earth Fifth Edition (Grotzinger, Jordan, Press, Siever, ) 2007 •I-ClickerGEOL 1010-003Test Policy•Three hour-exams•Cumulative clicker scores.Cumulative clicker scores.•Final Exam (comprehensive)•I will take the best four out of five scores.GEOL 1010-003•Test Dates (Tentative):–September 19 (Wed)–October 15 (Mon)–November 12 (Mon)–Clicker scores–Final Exam Thursday Dec 20Physical Geology:Learning Goals•What is Physical Geology?–Surface ProcessesIt i –Interior processes•The scientific method–Observation, Hypothesis, Testing–Theory•Geologic Time–4.5 Billion years of Earth HistoryPhysical Geology•Study of the Earth–How it Formed–How it evolved–Surface Processes (Sun)–Interior Processes (U, Th, K)–How to preserve and utilize its resources2Physical Geology•Field Science–Descriptive of the Earth–Observations and Hypotheses are Observations and Hypotheses are based in Field•Laboratory–Analysis of samples–Experiments to explore and test hypothesesEarth Processes•External Heat Engine –Thermonuclear Fusion in Sun–Drives most surface processes (atmosphere and ocean circulation, weathering, and sedimentation)•Internal Heat Engine–Radioactive decay of U, Th, and K–Drives internal processes (volcanoes, earthquakes, plate movement, magnetic field)Read Grotzinger Chapter 1AssignmentWhat is the approximate amount of elevation change (relief) between the highest (Mt Everest)Earth’s topography is measured with respect to sea level.change (relief) between the highest (Mt. Everest) and lowest (Marianas Trench) points on the surface of the Earth?CrustMantleSolid ironinner coreLiquid ironouter coreWhat percentage of the total planet mass is The crust?Earth is made up of crust, mantle, and coreThe crust?The mantle?The core?3The Earth appears to be about 4.5 billion years old. Multi-celled organisms that have left fossils appear to have evolved rapidly in the early TimePhanerozoic which began about 542 million years ago.About what percentage of total Earth history is the
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