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12 July, 08:44

Which of the following statements is/are true regarding offsets in the mid-ocean ridge system?

A. Offsets include both inactive and active segments.

B. Segments of a mid-ocean ridge are initially aligned.

C. Transform faults form when different segments spread at different rates.

D. Offsets occur where two plates slide past each other.

E. Transform faults run parallel to the mid-ocean ridge axis.

F. Fracture zones occur where two plates are locally colliding.

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Answers (1)
  1. 12 July, 11:16
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    Options (A), (B), (C), and (D)

    Explanation:

    The mid-oceanic ridge is one of the main features of the divergent plate boundary. It is along this ridge the seafloor spreading takes place. The mid-oceanic ridge is often found to create an offset. This creation of transform fault takes place when the two plates slide past one another and different segments of the offset diverge at different rates. Within this offset, there can be active as well as inactive segments. The active segments move at a much faster rate and result in the occurrence of earthquakes also. Also, the segments of the mid-oceanic ridge are initially aligned in a preferred orientation.

    The rocks that are formed at this mid-oceanic ridge are geologically the youngest, as magma melts and solidifies resulting in the formation of the basaltic igneous rocks.

    Thus, the correct answer is options (A), (B), (C), and (D).
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