• Groundwater dissolves minerals and rocks into ions.
  • Groundwater deposits those ions into different types of structures.
  • Limestone caves are the best place to see these structures.
  • Caves are likely to be found in limestone where the groundwater level has gone down.
  • This exposes the cave and its features.
  • Stalactites are beautiful icicle-like formations.
  • They form as water containing calcium carbonate drips from the ceiling of a cave.
  • If a stalactite and stalagmite join together, they form a column.
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