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2010 Guatemala tiankeng

According to the United States National Geographic website reports, or because of tropical storm Agatha the rainfall in Guatemala City, Guatemala capital region on 30 may appear a depth of about 100 m in giant pits, shocked.

A strict interpretation of the geological terms, tiankeng (sinkhole) refers to as the water continuously eroded solid bedrock, surface formed by collapse occurred a huge pits. United States and many parts of the day the chance of the pit.

1.2010 year Guatemala tiankeng

Guatemala giant hang the tiankeng further expansion of the term, that is, the ground suddenly collapse.

Guatemala City is part of the urban land is not in the solid bedrock, but rather a layer of relaxation, the composition of the volcanic pumice stone, usually several hundred feet thick. At least one geologist, Guatemala City's latest tiankeng is raised by a pipeline leak, not natural phenomena. Overall, Guatemala recurrence of such events more likely, but it is very difficult to forecast.

In 2007, Guatemala-day pit

2.2007 year Guatemala tiankeng

In 2007, Guatemala City has seen a similar distance from the tiankeng, and the recent emergence of the tiankeng also not far away.

Under photos, this two-day pit of diameter approximately 60 feet (approximately 18 m), depth of about 300 feet (approximately 100 m). Typically, the Administration will use large blocks of stones and other debris will pit fill the day. Over time, the water erosion and air drying effect, also cause tiankeng tilt.

In the United States, Florida, Winter Park tiankeng, for example, it is identical to the gradient of Guatemala tiankeng, depth of about 100 feet (approximately 30 meters).

However, the Florida Sunshine State of reputation, adequate lighting, making day hang in approximately 24 hours slowly tilts. United States Missouri State University geologist come down cell-cell Wu Ze (Doug Gouzie) said: I think around Guatemala City days do not so hang quickly collapse.

Florida, Winter Park-day pit

3. Florida Winter Park-day pit

According to Peter describes jigau, Winter Park-day pit formation in 1981 in the city, a public swimming pool, the swimming pool is leak, I've never seen a full report.

He said that water could pool bottom of small cracks seep into the soil below. As Florida's sandy soil, even swimming pools surrounding aquatic plants may slowly enough soil washed, erosion following solid limestone layers. Jigau Peter pointed out that the United States Geological Survey Bureau draws throughout the entire us rock type. Scientists still need to underground cracks and water flow through the cracks of extensive research, so that they occur-day pit sites for prediction.

Florida Marco Marbury tiankeng nbsp;

4. Florida Marco Marbury tiankeng

This deep about 185 feet (about 56 m)-day pit in 1994 in Florida in the city of mulberry, collapse of dumping in mining enterprises IMC-Agrico stack wastes.

The company was to extract phosphate rock mining. Phosphate is a chemical substance is a major component of fertilizer, mainly used in the manufacture of phosphoric acid, as well as enhanced soda and various food taste. However, in phosphate extracted from the rock, the main ingredient is gypsum waste is treated as a slurry filtered out.

As the layers of gypsum is dried, formed cracks, as appears in drying mud crack.

Subsequently, the water flow in the crack in the ground substance volumes go to tiankeng formation. United States regulatory agencies that IMC-Agrico company should bear management responsibility of the tiankeng, avoid harmful underground drinking water supply.

Belize City, Blue Grotto hang nbsp;

5. Belize City, Blue Grotto hang

According to the Missouri State University geologist jigau Peter describes, what, as long as the water erosion connection vertical horizontal drainage system, which might happen day, because in this case, a large number of solid substances being washed away.

If the tiankeng in near the coast or in the sea mdash mdash;; such as Honduras Belize City coast lighthouse reef, the famous Blue cave, seawater rapidly after the collapse into a deep see bottom of the pool.