If one has an absolute age date for an intrusive igneous rock body that is intruding into a sedimentary rock, what does that reveal about the sedimentary rock?
A) You know the youngest possible age of the sedimentary rock.
B) You know the oldest possible age of the sedimentary rock.
C) You know the age of the next overlying stratum.
D) You know the absolute age of the sedimentary rock.

Question

Quizplus · Accepted Answer

The intrusive igneous rock must be younger than the sedimentary rock it intrudes, so the absolute age of the igneous rock provides the youngest possible age for the sedimentary rock.

If One Has an Absolute Age Date for an Intrusive