Which geologic time principle states that older geologic units are below younger geologic units?
A) Principle of superposition
B) Principle of cross cutting relations
C) Principle of original horizontality

Question

Quizplus · Accepted Answer

The Principle of Superposition states that in an undisturbed sequence of sedimentary rocks, the oldest layers are at the bottom and the youngest are at the top.

Which Geologic Time Principle States That Older Geologic Units Are