Author Question: What is the difference between an active continental margin and a passive continental margin? (Read 47 times)

rachel9 · **on:** Feb 28, 2020

Question 1

The continental rise is located ________.
◦ at the seaward edge of a deep ocean trench
◦ between an abyssal plain and continental slope
◦ at the top of the continental slope
◦ at the top of a mid-ocean ridge

Question 2

What is the difference between an active continental margin and a passive continental margin?
◦ A passive margin is passively carried along by plate tectonics in a transform system, like the San Andreas whereas an active margin is a trench.
◦ An active margin has earthquakes whereas a passive margin has quiet erupting (aka passive) volcanoes.
◦ A passive margin is the site of an ancient continental rift, left behind when seafloor spreading moved offshore, whereas an active margin is an active plate boundary.
◦ An active margin receives large amounts of sediment whereas a passive margin is sediment starved.

jaymee143 · **Reply #1 on:** Feb 28, 2020

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