You find a sedimentary stratigraphic sequence that contains a marine limestone above an alluvial fan conglomerate.This sequence indicates
A) a relative rise in sea level.
B) the presence of an orogeny.
C) ancestral glaciation.
D) a change in climate.

Question

Quizplus · Accepted Answer

The marine limestone being above the alluvial fan conglomerate suggests that at some point in time, the sea level rose and the area where the alluvial fan was deposited became submerged under the sea. This is because limestone is a type of rock that typically forms in a marine environment. Therefore, option A is the best choice. B, C, and D are not supported by the given information in the stratigraphic sequence.

You Find a Sedimentary Stratigraphic Sequence That Contains a Marine