What is a limestone cave?
Quick Answer
A limestone cave is an underground cavern dissolved out of limestone rock by slightly acidic water over thousands of years, often decorated with stalactites and stalagmites.
The Full Story
Limestone caves, also called solution caves, form because rainwater absorbs carbon dioxide from the air and soil, turning into a weak carbonic acid. As this mildly acidic water seeps through cracks in limestone, it slowly dissolves the rock, gradually widening the cracks into passages and vast chambers over tens of thousands of years. Inside, dripping mineral-rich water deposits calcite to build spectacular formations: stalactites hang from the ceiling, stalagmites rise from the floor, and columns form where the two meet. This slow process is part of what geologists call karst landscapes. Some limestone cave systems stretch for hundreds of kilometres underground.
Key Facts
YouTube Angle
Suggested video title for this topic:
"Limestone Caves — How Water Carves Underground Palaces"