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Saturday, June 25, 2011

Great Blue Hole of Belize

The Great Blue Hole is located in the Light House Reef aproximately halfway between Long Caye and Sandbore Caye. It is about 60 miles east from the mainland of Belize (city).  In 1997 it was designated as a World Heritage site.
Found on both land and in the ocean throughout the Bahamas and the national waters of Belize are deep circular cavities known as Blue Holes which are often the entrances to cave networks, some of them up to 14 kilometres in length. Divers have reported a vast number of aquatic creatures some of which are still new to science.  In addition, they’ve recorded chambers filled with stalactites and stalagmites which only form in dry caves.  For the explorers this was proof that at one time, nearly 65,000 years ago, when the world was in the grip of the last major ice age, the sea level of the Bahamas was up to 150 metres lower than it is today.  Over time the limestone of the islands was eroded by water and vast cave networks created.  When sea levels rose again about 10,000 years ago some of these collapsed inwards and the Blue Holes were formed.

1 comment:

  1. Hi,

    The Great Blue Hole is a large underwater sinkhole off the coast of Belize. This is a popular spot among recreational scuba divers. The Blue Hole is a unique dive that if dove correctly can be an excellent addition to any diver's logbook it will be less impressive to those divers with thousands of dives under their belt but the other 95% of divers will really enjoy the dive and view it as a positive different enjoyable dive. Thanks...



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