Ocs 1005 - Exam 1 Study Guide | Questions With 100% Complete Solutions

Structure of the Earth and Continental Drift {Ans: 7 questions}4) You should know the different parts of a continental margin (continental shelf, continental slope, etc.) and their characteristics {Ans: Continental shelf- submerged outer edge of the continent and is still composed of the same type of crust as the rest of the continental plate o Shallow submerged extension of a continent o The width is determined by how close it is to a plate boundary o Most of the material composing the shelf comes from the adjacent continent o The weight of these sediments depresses the weight of the continental shelf and that is why its submerged o Continental shelves are affected by sea level. In the past, sea level was much lower than the present sea level. Sea level will affect how much of the continental shelf is exposed and can be eroded by wind and waves. The sediment can then be transported away • Extends from the shore to an abrupt transition called the shelf break where we move from the continental shelf to the continental slope. Continental Slope- This is a relatively steep area with a rapid change in depth. o Transition between continental shelf