Faults Controlling Groundwater Flow

The above examples look simple, but in reality subterranean structures are often hard to recognize, and physical, chemical, and isotopic tracers are recruited to assist interpretation. 

Fault zones may be open and highly conductive, or they may be sealed by mineral precipitation, forming hydraulic barriers. 

Marcel Dekker, Inc. 270 Madison Avenue, New York, New York 10016 

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