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What are some lesser known facts about sinkholes?

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What is a sinkhole? How is a hurricane formed? Discover the science behind some of nature's most spectacular phenomena in our eight-part video series, Amazing Earth. read more

It is well known that rock salt quickly dissolves when exposed to fresh water. In this case the drill hole enlarged due to fresh water erosion of the salt, the overlying layers probably caved in and eventually the sink hole swallowed the drilling rig and all the water in the lake. read more

The largest sinkholes are found all over the world, including those found in Africa, Asia, the Caribbean, Central America, Europe, North America, South America, and Oceania. The Dragon Hole in Asia is the deepest known underwater sinkhole on earth. The deepest water-filled sinkhole in the world is Zacaton, located in Mexico. read more

Given below are some interesting facts about sinkholes: Fact 1: Sinkholes are of three types namely (a) Solution sinkholes: The bedrock is exposed to the surface and dissolution occurs due to weathering. Natural depressions harbor surface water, which dissolves to create solution sinkholes. read more

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