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Encyclopedia > Lavender Pit

The Lavender Pit is an open pit copper mine located in Cochise County, Bisbee, Arizona. It is located in the near vicinity of the very rich copper deposit the Copper Queen Mine. The El Chino mine located near Silver City, New Mexico is an open-pit copper mine Open-pit mining refers to a method of extracting rock or minerals from the earth by their removal from an open pit or borrow. ... General Name, Symbol, Number copper, Cu, 29 Chemical series transition metals Group, Period, Block 11 , 4, d Density, Hardness 8920 kg/m3, 3. ... Cochise County is located in the southeastern corner of the state of Arizona. ... Bisbee is a city located in Cochise County, Arizona, USA. As of the 2000 census, the city had a total population of 6,090. ...


Phelps Dodge Corporation started digging the mine in 1951. They extracted 46 million tons of overburden before reaching the valuable ore. It is estimated that over a billion tons of copper was mined from the pit, with good amounts of gold, silver and lead also being extracted. Bisbee Blue turquoise was also a by-product of this mining activity. Mining operations in the pit ended in 1974. Phelps Dodge Corporation (NYSE: PD) was founded in 1834 by Anson Greene Phelps and William E. Dodge. ... 1951 was a common year starting on Monday; see its calendar. ... Overburden is the term used in mining to describe material that lies above the area of economic interest. ... An ore is a mineral deposit containing a metal or other valuable resource in economically viable concentrations. ... Bisbee Blue is the nickname given to turquoise that comes from copper mines located in the vicinity of Bisbee, Arizona. ... This article is about the gem. ...


Because of the very hard host rock, this pit has much steeper sides than other open pit copper mines in the southwest area. The pit covers an area of 300 acres (1.2 km²), and is 900 feet (274 m) deep. Vast tonnage of dump rock is spread all around Bisbee and the southeastern Mule Mountains area. This dump material, along with the large open hole of the pit, is considered an ecological disaster by many, but, for its time, Phelps Dodge Corporation was within federal guide lines on mining codes. The Mule Mountains as viewed from the west, looking east. ...

Looking southeast down into the pit. Notice the brown water acid pond.
Looking southwest across the pit, with the southern peaks of the Mule Mountains in the background.

  Results from FactBites:
 
Lavender Pit - definition of Lavender Pit in Encyclopedia (241 words)
The Lavender Pit is an open pit copper mine located in Cochise County, Bisbee, Arizona.
The pit covers an area of 300 acres (1.2 km²), and is 900 feet (274 m) deep.
This dump material, along with the large open hole of the pit, is considered an ecological disaster by many, but, for its time, Phelps Dodge Corporation was within federal guide lines on mining codes.
Open pit mine - definition of Open pit mine in Encyclopedia (356 words)
The term is used to differentiate this form of mining from extractive methods that require tunneling into the earth.
However, some form of water control is usually required to keep the mine pit from becoming a lake.
Lavender Pit – copper mine in Cochise County, Arizona.
  More results at FactBites »

 
 

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