Base your answer to this question on the diagrams below and on your knowledge of Earth science. The diagrams represent drill core samples from two different locations (I
and II). A drill core is a cylinder of rock material removed from the bedrock. Letters A through J represent different rock layers. Some layers contain index fossils. The rock
layers shown have not been overturned.
Location 1
Location II
Igu
Lladrock
formed
during
Gronis
orogeny
Key
Unconformity
List the relative ages of rock layers D, E, F, and G by listing the letters from oldest to youngest.