On a geologic map,if the contacts between sedimentary rock units form a bull's-eye pattern of concentric circles,with the youngest unit in the center,the underlying structure is a(n)________.
A) anticline
B) basin
C) dome
D) syncline

Question

Quizplus · Accepted Answer

A bull's-eye pattern of concentric circles with the youngest unit in the center on a geologic map indicates a basin structure, where the layers dip away from the center.

On a Geologic Map,if the Contacts Between Sedimentary Rock Units