Which of the following would likely serve as an aquitard?
A)gravel
B)sand
C)silt
D)fractured gneiss

Name: Which of the following would likely serve as an aquitard? A)gravel B)sand C)silt D)fractured gneiss
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Question

Quizplus · Accepted Answer

Silt has smaller pore spaces than sand or gravel, making it less permeable, and therefore more likely to serve as an aquitard. Fractured gneiss may have low permeability in some areas, but because it is fractured it does not serve as a continuous barrier to water flow.

Which of the Following Would Likely Serve as an Aquitard