geo - ch.10 blank study guide short answers

geo - ch.10 blank study guide short answers - distinct

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Chapter 10 Page 1 1. Know uniformitarianism and what it infers. 2. Period names on the geologic time scale (such as Devonian and Permian), provide ex- amples of. 3. know the 7 geologic principles and be able to apply them. 4. Which geologic principles are the direct result of gravity? 5. Which geologic principles are NOT a result of gravity? 6. Relative ages expressed on the geologic time scale primarily resulted from the study of ______. 7. Numerical aged for boundaries between time units on the geologic time scale primarily res- ulted from the study of ____________, in conjunction with relative age data.
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Chapter 10 Page 2 8. Within the world’s sedimentary rocks, fossils ______________. 9. Which method of correlation is more reliable for determining age equivalence among bod- ies of rock that are physically isolated by vast distances? 10. Which eon of geologic time is represented by rocks containing abundant shelly fossils? 11. Two atoms of a single element that differ in number of neutrons are said to represent two
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Unformatted text preview: distinct ________________________ of that element. 12. Which proportion of a radioactive isotope is expected to remain in an unaltered (unreacted) state after the passage of 2 half lives? 13. Radiometric dates applied to sedimentary rocks produce ages that are_______________. Chapter 10 Page 3 14. Numerical ages for recent geologic events can sometimes be determined by the study of ________________________. 15. Uniformitarianism is succinctly summarized by which phrase? 16. Which statement best summarizes the development of the geologic time scale? 17. If the relative age of two formations (with respect to one another) is known, then the nu-merical ages for each formation can be inferred. 18. What is always the same with multiple isotopes of a single element? 19. What always varies with multiple isotopes of a single element?...
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This note was uploaded on 11/08/2011 for the course BIOL 243 taught by Professor Datt during the Spring '08 term at South Carolina.

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geo - ch.10 blank study guide short answers - distinct

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