How Do Caves Form?

Answer

Caves are formed by the erosive action of water. Over long periods of time, underground water sources dissolve chemicals in the ground or rock, thus creating a hole. When the water levels decrease, we are left with a cave.
Q&A Related to "How Do Caves Form"
All crystals form as a result of two processes, called "nucleation" and "crystal growth, in a "supersaturated" liquid solution (a liquid with something dissolved
http://www.ehow.com/about_6363033_do-crystals-form...
it is when a stalactite and a stalagmite are joined as one. . Correct, but I do love that wording - sounds as if they've married!
http://wiki.answers.com/Q/How_are_cave_columns_for...
The cave was dissolved along cracks and faults in the limestone rock by sulfuric acid. The limestone was laid down about two-hundred and fifty million years ago, as part of a reef
http://www.nps.gov/cave/faqs.htm
Water erosion creates most caves found along coastal areas. Waves crashing against the rock over years wears away part of the rock forming a cave. Inland caves are also formed by
http://www.answers.com/topic/how-are-caves-formed
1 Additional Answer
There are several factors. You have acidic water flowing, wind and natural earth settling all involved in the formation of caves and how they form.
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A cave is a basically a natural underground void that is large enough for humans to enter, whereas a cavern is simply a large cave formed chemically by acid rains ...
Limestone caves are found all over the world. They can form anywhere that water flows through limestone. Caves can be stunning in their size and formation and ...
Stalactites are formed when water drips from a cave ceiling. As the water drips it has minerals that it leaves behind. Over time these minerals build up and ...
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