Sandstone strata and a mass of granite are observed to be in contact. Which of the following statements is correct geologically?
A)The granite is older if the sandstone contains pebbles of the granite.
B)The granite is older if it contains inclusions of sandstone.
C)The sandstone is younger if the granite contains sandstone inclusions.
D)The sandstone is younger if it shows evidence of contact metamorphism.

Question

Quizplus · Accepted Answer

The granite is older if the sandstone contains pebbles of the granite. This is because the pebbles of granite must have been eroded from the granite and deposited in the sandstone.

Sandstone Strata and a Mass of Granite Are Observed to Be