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View Diary: BP's Disaster - Mississippi Gulf Coast Edition - 1 June (Tuesday) Diary #29 (329 comments)

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  •  No geologist and am not sure (2+ / 0-)
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    Limelite, Lorinda Pike

    if this is the right analogy.  Much of central Florida is prone to the formation of sink holes where the ground suddenly gives way often leaving a deep hole.  Sink holes have swallowed up houses and parts of highways on a regular basis.  They are often the result of when the water table gets too low and there is no support left for the earth above.

    In deep mourning for the beautiful and bountiful Gulf Of Mexico. She deserved better, much better that this. -8.00 -5.74

    by gulfgal98 on Tue Jun 01, 2010 at 08:41:07 AM PDT

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    •  You have that right, gulfgal. (2+ / 0-)
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      Limelite, gulfgal98

      It is karst topography -- Cracks in the limestone formations allow rainwater (acidic) to leak through, leaching the calcium carbonate.  Eventually makes little holes, which become bigger holes. Too big, even if filled with water -- flump. Sinkhole.

      This would hold true for most subsurface voids in general.  The earth is not a static environment, obviously.

      (-7.62/-7.90) was their destruction: they delved too greedily and too deep. -- JRR Tolkien

      by Lorinda Pike on Tue Jun 01, 2010 at 08:50:37 AM PDT

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