Cave crossword

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Across
  1. 4. Cave decoration made of calcium carbonate that hangs from the ceiling
  2. 5. The scientific study of caves
  3. 7. a winged mammal that commonly lives in caves
  4. 8. Collective term for calcite cave decorations
  5. 10. calcium sulphate that can form delicate flower-like cave decorations
  6. 11. Cave decorations that grow in all directions
  7. 12. light emitting diode
Down
  1. 1. Limestone area displaying typical features
  2. 2. Single rope technique, a method of ascending vertical pitches
  3. 3. Cave decoration made of calcium carbonate that grows from the floor
  4. 4. Cave formed along a coastline by wave action, where the sea erodes weak points
  5. 6. Device used with harness to descend rope
  6. 9. A very tight part of a passage or opening