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Bookmark or Share- Blue Holes: What Lies At The Bottom Of A Blue Hole? - Science ABCA blue hole is a circular, steep-walled depression developed in a bank or island that is open to the surface. It is akin to a marine sinkhole and is composed of carbonate bedrocks. A blue hole descends hundreds of kilometers and connects to mysterious tunnels.
- Great Blue Hole - WikipediaThe Great Blue Hole is a giant 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.
- Blue hole - WikipediaA 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 ). Blue holes typically contain tidally influenced water of fresh, marine, or mixed chemistry.
- Scientists Embark on Journey to the “Deep” to Explore Blue HolesA blue hole can be an oasis in an otherwise barren seafloor. Blue holes are diverse biological communities full of marine life, including corals, sponges, mollusks, sea turtles, sharks, and more. The seawater chemistry in the holes is unique and appears to interact with groundwater and possibly aquifer layers.
- Explore Some of the World’s Deepest Blue Holes - Smithsonian MagazineAugust 2, 2016. 1 / 6. The Great Blue Hole, a 354-foot deep cavern and popular dive site in Belize's Lighthouse Reef USGS. Researchers from the Sansha Ship Course Research Institute for Coral...
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