In a sedimentary rock that contains inclusions of metamorphic rock,the inclusions must be
A)older than the sedimentary rock.
B)younger than the sedimentary rock.
C)on top of the sedimentary rock.
D)below the sedimentary rock.

Question

Quizplus · Accepted Answer

Inclusions in sedimentary rocks are always older than the sedimentary rock itself, as they must have existed prior to the formation of the sedimentary rock. As metamorphic rocks form from pre-existing rocks that have been subjected to heat and pressure, the metamorphic rock inclusions in a sedimentary rock must have formed before the sedimentary rock. Therefore, choice A is the correct answer.

In a Sedimentary Rock That Contains Inclusions of Metamorphic Rock,the