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Mponeng is an ultra-deep tabular gold mine in South Africa in the Witwatersrand Basin of the Gauteng Province. [1] Previously known as Western Deep Levels No1 Shaft, the mine began operations in 1986. [2] It is one of the most substantial gold mines in the world in terms of production and magnitude, reaching over 4 kilometres (2.5 mi) below the ...
The depth measurements in this list represent the difference in elevation from the entrance of the mine to the deepest excavated point. The definition of mine for this list is an artificially made excavation for the purpose of extracting resources, that can potentially be accessed by humans.
Mining accidents can occur from a variety of causes, including leaks of poisonous gases such as hydrogen sulfide [2] or explosive natural gases, especially firedamp or methane, [3] dust explosions, collapsing of mine stopes, mining-induced seismicity, flooding, or general mechanical errors from improperly used or malfunctioning mining equipment (such as safety lamps or electrical equipment).
Counties all along the Tennessee-North Carolina state line are under a red flag warning, meaning the region is at an increased risk of fire danger. In addition to ongoing burn bans, officials are ...
The Foresthill Fire Protection District said it’s possible tools in the mine may have caused the explosion. Two workers critically injured in mine shaft explosion, Placer County fire officials ...
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Now, the company hopes to expand its existing mine at 4301 Pioneer Ave. into previously undisturbed areas of southwestern Pierce County as demand for aggregate rock grows with population increases.
The Centralia mine fire is a coal-seam fire that has been burning in the labyrinth of abandoned coal mines underneath the borough of Centralia, Pennsylvania, United States, since at least May 27, 1962. Its original cause and start date are still a matter of debate.