Linear, magnetic patterns associated with mid-ocean ridges are configured as ________.
A)concentric circles about a rising plume of hot, mantle magma
B)reversed magnetizations along the present day rift valleys and normal magnetizations along the adjacent ridge
C)normal and reversed magnetized stripes roughly parallel to the ridge
D)normal and reversed magnetized stripes roughly perpendicular to the ridge axis

Question

Quizplus · Accepted Answer

Linear, magnetic patterns associated with mid-ocean ridges are configured as normal and reversed magnetized stripes roughly parallel to the ridge. These magnetic patterns are caused by the periodic reversal of Earth's magnetic field, and they are recorded in the rock of the ocean floor as it spreads away from the ridge. This phenomenon is known as seafloor spreading and is a key piece of evidence supporting the theory of plate tectonics.

Linear, Magnetic Patterns Associated with Mid-Ocean Ridges Are Configured as ________