{"id":366,"date":"2021-09-16T19:29:16","date_gmt":"2021-09-16T19:29:16","guid":{"rendered":"https:\/\/pressbooks.ccconline.org\/accphysicalgeography\/chapter\/summary-physical-geology-2nd-edition-8\/"},"modified":"2022-02-03T18:35:47","modified_gmt":"2022-02-03T18:35:47","slug":"summary-physical-geology-2nd-edition-8","status":"publish","type":"chapter","link":"https:\/\/pressbooks.ccconline.org\/accphysicalgeology\/chapter\/summary-physical-geology-2nd-edition-8\/","title":{"raw":"Summary \u2014 Physical Geology \u2013 2nd Edition","rendered":"Summary \u2014 Physical Geology \u2013 2nd Edition"},"content":{"raw":"
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Left: Cross section through the crust for questions 4 to 7.\u00a0 Right: 14<\/sup>C decay curve for question 4.<\/div>\r\n<\/div>\r\n
    \r\n \t
  • Based on your answer to question 4, what can you say about the age of layer \u201cc\u201d in Figure 8.27.?<\/li>\r\n \t
  • What type of unconformity exists between layer \u201cc\u201d and rock \u201cf\u201d?<\/li>\r\n \t
  • What about between layer \u201cc\u201d and layer \u201cb\u201d?<\/li>\r\n \t
  • We can\u2019t use magnetic chronology to date anything younger than 780,000 years. Why not?<\/li>\r\n \t
  • How did William Smith apply the principle of faunal succession to determine the relative ages of the sedimentary rocks of England and Wales?<\/li>\r\n \t
  • Access a copy of the geological time scale (International Commission on Stratigraphy). What are the names of the last age (or stage) of the Cretaceous and the first age of the Paleogene?\u00a0Print out the time scale and stick it on the wall above your desk!<\/li>\r\n<\/ul>\r\n<\/div>\r\n

    Media Attributions<\/h3>\r\n
      \r\n \t
    • Question 4 Figure: \u00a9 Steven Earle. CC BY.<\/li>\r\n<\/ul>\r\n","rendered":"
      \n
      \n

      \"\"<\/p>\n

      Left: Cross section through the crust for questions 4 to 7.\u00a0 Right: 14<\/sup>C decay curve for question 4.<\/div>\n<\/div>\n
        \n
      • Based on your answer to question 4, what can you say about the age of layer \u201cc\u201d in Figure 8.27.?<\/li>\n
      • What type of unconformity exists between layer \u201cc\u201d and rock \u201cf\u201d?<\/li>\n
      • What about between layer \u201cc\u201d and layer \u201cb\u201d?<\/li>\n
      • We can\u2019t use magnetic chronology to date anything younger than 780,000 years. Why not?<\/li>\n
      • How did William Smith apply the principle of faunal succession to determine the relative ages of the sedimentary rocks of England and Wales?<\/li>\n
      • Access a copy of the geological time scale (International Commission on Stratigraphy). What are the names of the last age (or stage) of the Cretaceous and the first age of the Paleogene?\u00a0Print out the time scale and stick it on the wall above your desk!<\/li>\n<\/ul>\n<\/div>\n

        Media Attributions<\/h3>\n
          \n
        • Question 4 Figure: \u00a9 Steven Earle. CC BY.<\/li>\n<\/ul>\n

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