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Unformatted text preview: Overpumping (or “mining” of groundwater) Subsidence Saltwater contamination (or saltwater incursion) Contamination by septic systems, pollution sources, etc Groundwater can erode rock, especially limestone. Result is KARST. Types of karst Cave or Cavern Speleothems – cave formations Stalactites Stalagmites Column Dripstone curtain Soda straw Cave popcorn Sinkhole Solution Valley Tower karst Hydrothermal activity – requires a heat source, usually magma. Geyser – place where hot water erupts violently from the ground Hot spring...
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- Fall '09
- Aquifer, water table, Cave or Cavern