Thursday, 18 December 2014

Caves, Stalactites and Stalagmites


Speleothems are cave features formed by  minerals. 

The word speleothem comes from the Greek words spelaion meaning "cave" and thema meaning "deposit". 

The most well-known speleothems are stalactites and stalagmites. 

Stalactites grow down from the cave ceiling.

Stalagmites grow up from the cave floor. 

It’s easy to remember which is which: Stalactites have a "T" for top and stalagmites have a "G" for ground.





Caves, stalactites and stalagmites are caused by chemical reactions.




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