How do stalagmites form?

Answer:
A stalactite drips water onto the floor of a limestone cave and a small source or mineral is carried with each drop. Over time as the water runs off or evaporates, the buildup of this mineral will create a stalagmite. They may take thousands of years to grow a few inches. When a stalagmite and a stalactite meet, they form a column.
Stalagmites rise from the floor of a limestone cave due to the dripping of mineralized solutions and the deposition of calcium carbonate.
Contributor: Sonadi
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