A geologist in South Dakota finds an assemblage of dinosaur bones in an outcrop for the Hilltown Formation,and his colleague in China discovers an assemblage of bones from a different dinosaur in the Liaoning Formation.What can be said about the two formations?
A)They are no younger than Cretaceous in age.
B)They are no older than Jurassic.
C)They are the exact same age.
D)They are no younger than Triassic in age.

Question

Quizplus · Accepted Answer

The discovery of dinosaur bones in the Hilltown Formation and Liaoning Formation suggests that both formations are no younger than Cretaceous in age. The specific age of each formation cannot be determined solely based on these discoveries.

A Geologist in South Dakota Finds an Assemblage of Dinosaur