UNIFORMITARIANISM In the philosophy of naturalism‚ the uniformitarianism assumption is that the same natural laws and processes that operate in the universe now‚ have always operated in the universe in the past and apply everywhere in the universe. It has included the gradualistic concept that "the present is the key to the past" and is functioning at the same rates. Uniformitarianism has been a key principle of geology‚ but naturalism’s modern geologists‚ while accepting that geology has occurred
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The Study of Uniformitarianism The origin of life on Earth is a fundamental scientific question‚ but we do not know as much as many biology textbooks would like you to believe. (Pigliucci) Uniformitarianism is vital to the world of science. It is a geological doctrine. It states that the same natural laws and processes that operate in the universe now‚ have always operated in the universe in the past and apply everywhere in the universe. It assumes that geological processes have essentially not
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How do you think the principle of uniformitarianism accounts for occasional catastrophic events such as meteorite impacts‚ huge volcanic eruptions‚ or great earthquakes? Because uniformitarianism shows us that if our earths plates are moving today‚ they were moving in the past. This moving of the plates causing things such as earthquakes. In what ways do geologic processes affect your daily life? Geology is the study of earth‚ which is where we live. Understanding geology and how it works‚ helps
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| Uniformitarianism vs. Catastrophism | Lara Anderson | | Dr. Travis Bradshaw | PHSC 201-A19 | For much of history‚ humans have grappled with the question: Where do we come from? Today there are two main houses of argument which have many different names. They are called secular and religious‚ evolutionists and creationists‚ humanists and theists. However‚ each house subscribes to its own idea of how the world has come about and progressed through history. The secular/evolutionist/humanist
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Chapter 1: An Introduction to Geology What is geology‚ and what is the difference between physical and historical geology? Geology is the scientific study of the Earth and its major systems Physical Geology is the Study of the Earth’s composition. structure‚ and the processing that shape it Historical Geology is the Study of Earth’s history and the history of life With respect to why we study geology‚ in class I cited three areas of benefit to humanity where geologic knowledge is needed. What
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2002 Geology 211‚ Physical Geology Geology 211‚ Physical Geology ©Copyright‚ 2002‚ Ron Parker ©Copyright‚ 2002‚ Ron Parker ! Occurring today ! That occurred in the past Geology 211‚ Physical Geology‚ ©‚ 2002‚ Ron Parker Types of Sedimentary Rock + Sediment originates from mechanical and/or chemical weathering. + Two major divisions of sedimentary rock. ! Detrital – Made of particles. ! Chemical – Made from dissolved ions that crystallize into solids. Geology 211‚ Physical Geology‚ ©‚ 2002
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Geologic Time Scale. Uniformitarianism The physical‚ biological and chemical principles acting on the Earth in the present also acted on the Earth in the past. Getting Dates Relative Dating Law of Superposition • Developed by Nicolaus Steno in 1669 • In an undeformed sequence of sedimentary rocks (or layered igneous rocks)‚ the oldest rocks are on the bottom Superposition in the Grand Canyon Principles of relative dating • Principle of original horizontality
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April 13‚ 2012 8-07 Section 1 1. Use uniformitarianism‚ catastrophism‚ and paleontology in separate sentences. 2. Compare uniformitarianism with catastrophism. 3. Describe how the science of geology has changed. 4. Which of the following best describes relative dating? 5. Explain how scientists construct the geologic column. 6. Explain the process by which scientists use half-lives to determine the age of an object. 7. Explain the role of paleontology in the study of Earth’s history. 8
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Geology a science that examines the earth‚ its form and composition‚ and the changes it has undergone and is undergoing involves the knowledge of what happened before and the events occurring within the atmosphere requires not only a study of the materials found on earth but an understanding of the various geologic processes aims to develop an understanding of the earth’s materials and how these materials were changed and modified through the action of natural forces over a period of time Geology
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1.)A mastodon was found in Lafayette after being in the ground for how long? A.)30-35 million B.)30-35 billion C.)100 thousand D.)13.7 billion 2.)What is placing geological events in a sequential order as determined from their position in the geological record? A.)geologic time B.)Relative dating C.)Radiocarbon D.)tree-ring dating 3.)Which of the following methods can be used to demonstrate age equivalency of rock units? A.)Lateral tracing B.)Radiometric Dating C.)Guide fossils
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