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 K )
B)Dike (unitC )
C)Conglomerate (unitD )
D) Lava flow (unit L )
E) Granite (unit G )

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 K ) 
B)Dike (unitC ) 
C)Conglomerate (unitD ) 
D) Lava flow (unit L ) 
E) Granite (unit G )

Quizplus · Accepted Answer

The lava flow (unit L) cross-cuts all other units and is therefore the youngest.

This Figure Has Rock Units and Geologic Features That Are