Corral Quemado is a closed

manganese Manganese is a chemical element; it has Symbol (chemistry), symbol Mn and atomic number 25. It is a hard, brittle, silvery metal, often found in minerals in combination with iron. Manganese was first isolated in the 1770s. It is a transition m ...

mine in Coquimbo Region, in north-central Chile. It was las active in 2009 when the company Manganesos Atacama ceased operations and manganese mining in Chile ended. The mine was particularly active in the 1940s when it was notorious for its poor labour conditions including

child labour Child labour is the exploitation of children through any form of work that interferes with their ability to attend regular school, or is mentally, physically, socially and morally harmful. Such exploitation is prohibited by legislation w ...

. Work conditions in the mines denounced by members of the

National Congress of Chile The National Congress of Chile () is the legislative branch of the Republic of Chile. According to the current Constitution ( Chilean Constitution of 1980), it is a bicameral organ made up of a Chamber of Deputies and a Senate. Established by l ...

in 1943 and 1944. Manganese ore in the mine came in the form of near-horizontal sheets of a thickness of one or two meter. Some miners developed a disease known as '' locura mangánica'' (lit. "manganic madness") due to exposure to manganse.

References

Bibliography

* {{coord missing, Chile Manganese mines in Chile Mines in Coquimbo Region Underground mines in Chile Former mines in Chile Mine closures in the 2000s