A(n)____ pluton has boundaries that parallel the layering in the country rock.
A)concordant
B)discordant
C)correspondent
D)analogous
E)disruptive

Question

Quizplus · Accepted Answer

A concordant pluton has boundaries that are parallel to the layering or bedding in the country rock, indicating that the magma was emplaced along pre-existing planes of weakness or zones of stratification. In contrast, a discordant pluton cuts across the country rock, indicating that the magma intruded into pre-existing layers, fractures, or faults. Therefore, the best choice is A) concordant.

A(n)____ Pluton Has Boundaries That Parallel the Layering in the Country