Unit 4 - 1)Question Volcanoes are generally not preserved...

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1)Question: Volcanoes are generally not preserved in the geologic rock record as they are usually eroded away. However, the various materials erupted from volcanoes are often found preserved in the rock record. From what you have learned about the different types of volcanoes, how could you infer what type of volcano erupted in a given area based on the type of volcanic deposits now found as layers of rock? Give specific examples , and briefly discuss how some materials may be linked to different types of volcanoes. Tip: Read and familiarize yourself with the types of materials associated with each type of volcano described in the textbook. This is kind of tracing clues back to the source. Remember to use examples here. 2) Compare and contrast relative age dating with radiometric dating. What are the strengths and limitations (if any) of each? Tip: This one is clearly discussed in the textbook. Read, contrast (differences) and compare (similarities). Don’t just state the strengths and weaknesses explain them. wo general processes used to figure out the age of rocks is relative dating and radiometric dating. We will compare and contrast the strengths and weaknesses of both methods. According to Lutgens and Tarbuck, Relative dating is the process in putting events in their proper sequence.
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  • Fall '10
  • THOMASCOCHRAN
  • Geology, Radiometric dating, radioactive isotopes

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