Wednesday, October 12, 2011

Bizarre facts-Sinkhole in Mulberry, Florida

This 185-foot-deep (56-meter-deep) sinkhole appeared in 1994 in Mulberry, Florida (map), in a pile of waste material dumped by mining company IMC-Agrico. The company was mining rock to extract phosphate, a main ingredient in fertilizers and a chemical used to produce phosphoric acid, added to enhance the taste of soda and various food items.

After phosphate was extracted from the rocks, the gypsum-based waste product was dumped as a slurry. As layer after layer of the stuff dried, it formed cracks, like those that appear in dried mud. Water later made its way through the cracks and carried away subsurface material, setting the stage for a sinkhole.


bizarre-facts

1 comments:

Joe Stitz April 20, 2014 at 6:58 PM  

well if we know so much as to what causes them and they haven't been around with so many till recently, stop doing doing what it takes to feed them from happening. the company here should be responsible for it happening knowingly or not.

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