The fact that the seafloor, riverbeds and other depositional surfaces are not perfectly flat violates the Principle of Original Horizontality.

Question

Quizplus · Accepted Answer

The Principle of Original Horizontality states that layers of sediment are originally deposited horizontally under the action of gravity. It does not imply that all depositional surfaces must be perfectly flat, as natural processes can cause variations in the surface.

The Fact That the Seafloor, Riverbeds and Other Depositional Surfaces