nnDirectionsnnSelect only one (1) of the following questions for research. Research sources of information can include Internet sources, books, articles, videos, etc. Every explanation must include a picture/diagram that helps detail your answer. Then submit your answer to one of these in the Web Research 3.n

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• What is Walther’s Law of Succession of Facies? n
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  • Define a facies and provide an example.

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  • Explain how Walther’s Law works.

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  • Why it is a critical concept for stratigraphers?

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  • Include a picture/diagram to help in the explanation

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• What is a lithofacies map? Compare this to a geologic map.n
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  • What is a lithofacies map and what does it display?

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  • What is a geologic map and what does it display?

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  • Provide a comparison.

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  • Include a picture/diagram of each to help in the explanation

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• What is a marine transgression and regression?n
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  • Define each, a transgression and regression.

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  • Define the sequence of strata that indicate to geologists that each has occurred.

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  • What are the major causes transgressions and regressions?

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  • What is a cratonic sequence? Describe what happened during the Sauk Sequence (there are some great videos on YouTube produced by Community College students on this topic 🙂

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  • Provide at least one map/diagram to help in the explanation.

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• In the Web Research 3 assignment:

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  • State the questions you selected to research.

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  • Post a synopsis of your research. Make sure that you address all questions and sub-questions. In the synopsis, include a brief explanation of the significance of the knowledge you learned from your research (two paragraphs) and on the importance to historical geology (one paragraph).

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  • Cite the reference source(s) of your research in proper citation format.

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  Grading Criteria
  Demonstrates comprehension of research question through detailed explanations.	3 points
  Applies concepts, definitions, etc. from assigned readings or other reference resources.	3 points
  Includes an explanation of the importance to the study of Historical Geology.	2 points
  Picture or diagram provided	1 point
  Writing is clear, concise and free of spelling and grammatical errors. Uses APA Style to cite reference sources.	2 points
  Comments to two (2) other students’ postings.	4 points
  TOTAL	15 points

  nDo not worry about the commenting on 2 other students I will do that on

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