This figure has rock units and geologic features that are assigned letters that are not in any particular order.From the geologic relations,what is the youngest unit or feature of those listed below?
A)limestone in the far right (unit
B)dike (unit
C)conglomerate (unit
D)lava flow (unit
E)granite (unit

Question

This figure has rock units and geologic features that are assigned letters that are not in any particular order.From the geologic relations,what is the youngest unit or feature of those listed below? 
A)limestone in the far right (unit 
B)dike (unit 
C)conglomerate (unit 
D)lava flow (unit 
E)granite (unit

Quizplus · Accepted Answer

The principle of superposition states that in an undisturbed sequence of rocks, the youngest rocks are on top. In this figure, the lava flow (unit L) is on top of all other units and features, making it the youngest.

This Figure Has Rock Units and Geologic Features That Are