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The Great Blue Hole, located near Ambergris Caye, Belize Dean's Blue Hole, Long Island, Bahamas Watling's Blue Hole, San Salvador Island, Bahamas. A blue hole is a large marine cavern or sinkhole, which is open to the surface and has developed in a bank or island composed of a carbonate bedrock (limestone or coral reef).
The following is a list of sinkholes, blue holes, dolines, crown holes, cenotes, and pit caves. A sinkhole is a depression or hole in the ground caused by some form of collapse of the surface layer. Some are caused by karst processes—for example, the chemical dissolution of carbonate rocks [1] or suffosion processes. [2]
The Great Blue Hole is near the center of the photograph. The Great Blue Hole is a large marine sinkhole off the coast of Belize. It lies near the center of Lighthouse Reef, a small atoll 70 km (43 mi) from the mainland and Belize City. The hole is circular in shape, 318 m (1,043 ft) across and 124 m (407 ft) deep.
The Blue Hole is a massive sinkhole in the Caribbean Sea off the coast of Belize. Belize's 'Blue Hole' can help crack the mystery of ancient Maya Skip to main content
Its name means deep water in the Mayan language and, at over 420 metres (1,380 ft) deep, it is the deepest known blue hole. [1] Blue holes generate a distinctive blue color when seen from above and are typically only a few dozen meters deep. It was discovered in about 2003 by a local diver who followed a grouper that went into its mouth. The ...
In 2012, scientists exploring blue holes in the Bahamas discovered bacteria deep in the caves where no other life existed, potentially filling the knowledge “gap” on what types of lifeforms ...
Template: Blue holes. 1 language. ... Download as PDF; Printable version; In other projects Wikidata item ...
Background Chlorine and caustic soda are produced at chlor-alkali plants using mercury cells or the increasingly popular membrane technology that is mercury free and more energy-