When human beings are often dug ore mining is a huge mined, in addition, the formation of the natural world sometimes amazing spectacular caves, the following is a list of the U.S. media on the surface of the Earth's most spectacular natural or man-made caves.
Wu Daqi Russian diamonds mined Nayar
This is a Russian diamond mine, the mine is scheduled to stop mining in 2010, this will be conducive to underground mining. It is reported that, Anaya Wuda Qi is a diamond mine in 1955 were found to have been excavated 600 meters deep.
Chile Chuquicamata copper mine
Chuquicamata pit is a copper mine in Chile, although it is not the world's largest reserves of copper mine, but it is now the world's largest copper mine production. Mined the existing 850 m deep.
Turkmenistan natural gas holes Darvaz
In 1971, geologists found that the region contains a large number of underground natural gas, all the year round in the mining process, the mistake occurred because of drilling ring collapsed to form a very large hole. In order to prevent the spillage of toxic gases, the Government of Turkmenistan to allow for holes in the natural gas from fuel combustion from the holes during the day and night to the raging fire has been in a state of combustion. Therefore, the Office burning natural gas holes also referred to as the "gates of hell."
No comments:
Post a Comment