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Some are caused by karst processes—for example, the chemical dissolution of carbonate rocks [1] or suffosion processes. [2] Sinkholes can vary in size from 1 to 600 m (3 to 2,000 ft) both in diameter and depth, and vary in form from soil-lined bowls to bedrock-edged chasms. Sinkholes may form gradually or suddenly, and are found worldwide. [3]
The Red Lake sinkhole in Croatia. A sinkhole is a depression or hole in the ground caused by some form of collapse of the surface layer. The term is sometimes used to refer to doline, enclosed depressions that are also known as shakeholes, and to openings where surface water enters into underground passages known as ponor, swallow hole or swallet.
Warm Mineral Springs is a sinkhole formed in carbonate rock by the collapse of the roof of a cavern 30,000 years ago. The land surrounding the sinkhole is flat, and about 3 metres (10 ft) above mean sea level. The circular opening of the sinkhole at the current water level is 72 metres (236 ft) across.
Pennsylvania − where a search has been launched for a missing grandmother who may have fallen into a sinkhole − is one of the states where the holes are most likely in the U.S.. Officials have ...
The dissolved minerals create spaces inside the rock, weakening it until it collapses. Sinkholes can range in diameter and depth. Some have vertical walls, others look like saucers or shallow ...
A sinkhole that formed on the eastbound side of I-80 near Wharton, New Jersey caused traffic snarls on the busy highway, about 40 miles west of New York City. Westbound lanes were unaffected.
The Bayou Corne sinkhole (French: Doline de Bayou Corne) was created from a collapsed underground salt dome cavern operated by Texas Brine Company and owned by Occidental Petroleum. The sinkhole , located near the community of Bayou Corne in northern Assumption Parish , Louisiana , was discovered on August 3, 2012, and 350 nearby residents were ...
SEE ALSO: America's most affordable beach town. ... Related: See more incredible sinkhole photos: Some articles surfaced saying he reached the bottom of the giant hole, ...