Monday, February 2, 2009

About Lime Sinks

Lime sinks are found in areas of limestone.


Lime sinks, otherwise known as sinkholes, are found in limestone areas such as Florida and Georgia. Water trickles through the limestone ground over a period of thousands of years, creating caves underneath which eventually collapse, forming deep holes. These can be dry holes but sometimes hold standing water, creating a type of wetland.


Lime Sinks in Alabama and Georgia


Some lime sinks fill with water.


Lime sinks, springs and caves are to be found in many areas of Alabama and Georgia. They appear in the area of the Interior Plateau, which stretches from the southern part of Indiana and Ohio to the northern part of Alabama. A number of sinkholes in the Dougherty Plain exist, many of which are filled with water and form oases for animals and plants.


Lime Sinks in Decatur County, Georgia


Water forms limestone caves which collapse, creating sinks.


A number of lime sinks and caves have formed in Decatur County due to the limestone layer of rock underground. One at Curry's Mill stretches a length of almost 700 feet and is more than 100-feet deep, according to the website BainbridgeGa.com.


Lime Sinks in Central Florida


Some sinks in Florida are sandy while others fill with water.


The landscape of central Florida is undulating, thanks to the limestone underneath. In some areas this has formed sinks and caves. Some, mostly in northern areas, are dry and sandy while others are filled with water. In Hillsborough County, there are many sinks filled with water, forming lakes.


Lime Sinks in the Tallahassee Hills, Florida


Water can escape from lakes through sinkholes.


Limestone dating back millions of years underlies the area around Lake Jackson in the Tallahassee Hills. In the areas where the limestone is closest to the earth's surface, many caves and sinkholes can be found. Sinkholes in the bottom of the lake itself open and close, causing the lake to empty into underground caves periodically.







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