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Appeared doline is a result of mine dewatering and groundwater caused. As the mining of mineral resources, so that silver lead and zinc mining area Qixiashan ground subsidence occurred, land resources and landscape resources have been severely damaged. Mirror Lake Scenic spots Qixia Temple Ming collapse and be seriously impaired, making 3400 cubic meters of water leakage in an empty
Lake, winding bridges broken, the collapse of the Rainbow Pavilion. "Most of the city’s land subsidence is caused by man-made, so in the future groundwater resources we should cherish, not arbitrary exploitation of mines." Expert told the reporter, it is gratifying that our province has been emphasis on groundwater protection work, and have achieved good results. "From now on the
Situation, the province appears ‘doline’ highly unlikely." 7 days, in the Guangxi Laibin City Philippines zone village of Liang Town, Geely, a private house in the corner has ..Read more

There may trigger collapse." Guatemala City is also part of carbonate rock. "The emergence of the so-called ‘doline’ phenomenon is normal, do not worry too much about." Nanjing is also unlikely to collapse doline Nanjing will not appear so "Tiankeng" mean? Reporter learned from relevant departments, Nanjing, karst phenomena mainly in the eastern outskirts of crane door, Xia Mountain, shogunate
Hill; and urban model along the road to the train station, mostly concealed type. In fact, Nanjing have also occurred over the past situation of ground subsidence. Data recorded in 1978, Nanjing crane near the door, there was for more than 100 meters long, 3-4 cm wide, 30-40 cm deep fissure, caused three springs around the collapse. June 1997, as
Southern Cement water supply, plant deep well all start to focus, the ground in a low-collapse, resulting in 60 meters away from the deep cement a dormitory to a larger crack. "Not only is the ..Read more

Thing." Weekly group, said, my area of carbonate rocks exposed 3.4 million km2, which exposed an area of 900,000 km2. Through a series of geochemical reactions, this type of rock that can be surface water or groundwater by the dissolution, this phenomenon is called "karst", also known as karst. Karst phenomena are very common in China, such as shanjuandong near
Shanghai, Chang-dong and other public attractions sinkholes, caves, underground river, underground natural landscape Tianshengqiao so on are due to the formation of karst phenomena. However, when this phenomenon are widely developed in the ground, especially in the development of closer to the surface, it will collapse may occur, it would form we now see so-called "doline." Before a series of
Doline phenomenon, concentrated in the Southwest. "This is the local karst." Weekly group, said the reason there is so intensive, "doline", which some time ago in the Southwest ..Read more

May 31, the streets of Guatemala City, a giant 61-meter deep pit; June 4, Zhejiang Quzhou expressway, diameter and 8 meters, 10 meters deep pit; June 4, Jiangxi Nanchang a road sudden collapse. Previously, Chengdu, Sichuan, Guangxi and other parts of the guests have appeared doline … … "Doline" in frequency is, users who have heated discussions. Some people even
Funny to say, a Subway shop in the doline in, into the hole from Zhejiang Province, is out of Guatemala City, which is from China to South America, the nearest road. So, how doline is formed in the end? Nanjing will not appear doline it? Yesterday, the reporter interviewed the Department of Earth Science and Engineering, Professor Zhou Huiqun and
Geological experts in our province. Southwest "doline" more concerned with the severe drought 7 June, the DI Bin area in Guangxi good Town, the settlement took place in the village Geely, a danger zone affected 0.4 square kilometers ..Read more

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