Sinkhole

Started by hubag bohol, March 26, 2011, 06:07:56 PM

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hubag bohol

March 26, 2011, 06:07:56 PM
A sinkhole, also known as a sink, shake hole, swallow hole, swallet, doline or cenote, is a natural depression or hole in the Earth's surface caused by karst processes â€" the chemical dissolution of carbonate rocks or suffusion processes for example in sandstone. Sinkholes may vary in size from 1 to 600 meters (3.3 to 2,000 ft) both in diameter and depth, and vary in form from soil-lined bowls to bedrock-edged chasms. Sinkholes may be formed gradually or suddenly, and are found worldwide. The different terms for sinkholes are often used interchangeably.

More at: http://en.wikipedia.org/wiki/Sinkhole

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hubag bohol

#1
March 26, 2011, 06:10:28 PM
...than to speak out and remove all doubt." - Abraham Lincoln

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hubag bohol

#2
March 26, 2011, 06:12:34 PM

The Great Blue Hole, located near Ambergris Caye, Belize.

...than to speak out and remove all doubt." - Abraham Lincoln

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hubag bohol

#3
March 26, 2011, 06:17:15 PM

A three-story building in northern Guatemala City fell into a sinkhole in May 2010.
Source: i.huffpost.com/gen/170595/GUATEMALA-SINKHOLE.jpg from huffingtonpost.com
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