On a geologic map,if the contacts between sedimentary rock units form a bull's-eye pattern of concentric circles,with the oldest 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 on a geologic map is an indication of a dome structure, with the oldest rock units in the center and progressively younger units outward.

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