Question

Which of the following is not a sedimentary structure?
A) Magma emplacement
B) Mud cracks
C) Ripple marks
D) Cross beds

Answer 1

b) this answer is correct

Answer 2

Answer:

Magma Emplacement is not a sedimentary structure.

Option A

Explanation:

Magma emplacement is situated in the upper crust is often named with crust alignment, whereas the movement of the crust is often placed in respect crust movement along transtension and strike‐slip faults.

The double convex shape of various crust movement indicates that the movement of the earth’s crust is laccolith emplacement with the additional movement of the layers of crust in sync with each other. Therefore, magma emplacement is not a sedimentary structure.