Examveda

Which geological structure can act as a natural barrier to groundwater flow?

A. Aquifer

B. Perched water table

C. Aquiclude

D. Recharge zone

Answer: Option C

Solution (By Examveda Team)

An aquiclude is an impermeable rock layer that does not transmit water effectively, acting as a natural barrier.Clay and shale commonly form aquicludes.

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Related Questions on Groundwater and Hydrogeology

What is an aquifer?

A. Rock that does not hold water

B. Layer that restricts water flow

C. Permeable rock that stores and transmits water

D. Layer that absorbs contaminants