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this case, block caving gets the attention of mining engineers. At present, block caving has already got application in many mines across the world including America, Chile, South Africa, the Philippines, Canada, Australia, China, etc [3]. Among the 50 mines with block caving, Teniente mine in Chile has the largest production output of 140000t/d.
Block caving is employed principally for mining lowgrade ores where the inevitable loss of some ore and some dilution with capping and wall rock are permissible and where mining must be done on a large scale and at a lower cost than can be obtained by the use of supportedstope or other selective mining .
Bulkmining methods are a necessary component of economically mining massive, lowgrade porphyry copper, gold, molybdenum and diamond deposits, and block caving is the method of choice.
Cave mining is typically used to mine copper, coppergold, iron and molybdenum. It can also be used in the extraction of kimberlite and lamproite in the mining of diamonds. Block Cave Mining Techniques. The most commonly used cave mining technique is block caving. Block caving is a largescale mining method that is particularly useful for ...
Resolution Copper is working with regulators and the community to develop one of the world''s largest untapped deposits of copper. The Resolution Copper deposit lies more than a mile beneath the surface and the most viable way to recover the Resolution resource is by going underground, using a process called block caving.
Block caving is a largescale underground mining method applicable to the extraction of lowgrade, massive ore bodies. With the amount of literature available on block caving this report identifies the need to provide a simple understanding of the process.
Jul 10, 2018· In the right conditions, the advantages of block caving make it an alternative that is now being considered more often, such as at Seabridge''s KSM Project. Block cave mining is an underground mass mining method that allows for the bulk extraction of large, relatively lower grade, ore deposits with substantial vertical dimension.
Mar 10, 2015· visited Chile''s El Teniente mine, the world''s largest underground copper operation and the sixth biggest copper mine by reserve size.
copper mine bottom structure in the advance undercutting process with block caving mining. Based on the bottom structure parameters, FLAC3D software is used to establish the numerical model.
Block caving is an underground hard rock mining method that involves undermining an ore body, allowing it to progressively collapse under its own weight. It is the underground version of open pit mining. In block caving, a large section of rock is undercut, creating an artificial cavern that fills with its own rubble as it collapses.
The first part of the plan is for traditional openpit mining to reach the deposits near the surface. Block caving, which has been well proven at mines around the world, may be the answer to reaching the deeper deposits as the second part of the extraction plan (for more on block caving.
Fitch Ratings said that the delay and higher than expected cost of Rio Tinto''s Oyu Tolgoi mine project highlights the risks associated with block caving, an underground hard rock mining method ...
Block caving is an underground mining method that uses gravity to exploit massive, steeply dipping ore bodies located at depth. These ore bodies are generally low grade in nature and are too deep to be extracted through open pit mining. The technique is commonly used to extract low grade copper, coppergold, iron and molybdenum ores although ...
We will use leading underground mining technology known as block caving to mine the ore body. Block caving is technically complex, but it is also one of the safest and most costeffective methods of mining ore from deep below the ground as it uses the force of gravity.
The term ''block caving'' probably originated in the porphyry copper mines, where the area to be mined was divided into rectangular blocks that were mined in a checkerboard sequence with all the ore in a block being removed before an adjacent block was mined. This sequence of mining is .
a| "This IC describes the development of blockcaving methods and practices by the Miami Copper Co. at the Miami mine in Gila County, Arizona. It is one of a series published by the Bureau of Mines on mining methods, practices, and costs in various mining districts of the United States."
Cadia East deposit is a large underground mining operation using the panel caving method (Cadia East Project). The deposit is mined in a number of lifts each comprising multiple panels. Underground mining of the Ridgeway deposit commenced in 2002, with ore being supplied to the new 4 Mtpa Ridgeway concentrator adjacent to the Cadia concentrator.
Nov 08, 2012· Resolution Copper will use the panel caving mining method, a variation of block caving to break up the underground ore. This technique uses gravity primarily to break the rock. Panel caving is ...
Since Block Caving is a fairly new method of mining, do we know how many mines in the world are currently using block caving? Also, do we know how many future mines are developing this method? I know that Resolution Copper in Superior Arizona is working to start this up. Oyu Tolgoi will use this method with one of their ore deposits.
This Information Circular describes the development of blockcaving methods and practices by the Miami Copper Co. at the Miami mine in Gila County, Arizona. It is one of a series published by the Bureau of Mines on mining methods, practices, and costs in various mining districts of .
Cave Mining CuAu Porphyry. There are over 45 cave mining projects in various stages of studies and development around the world. Cave mining methods will be the underground method of choice in the future. It is only relatively recent that this mass mining method, despite 70 years of use, has begun proving its potential.
A look at the underground mining process The Resolution Copper deposit lies more than a mile beneath the surface. The most viable way to recover this ore body is by going underground, using a process called block caving. Block caving is a proven mining method using advanced technologies. Here''s how it works. Ore, rock containing . Continued
In underground mining, block caving is the only method with the costs comparable to surface mining methods, especially open pit mining. A switch from open pit mining to block caving mining could ...
Sep 07, 2012· The new Block Caving Knowledge Center is situated at the Northparkes Mines in central western New South Wales, and will enable trainee engineer to practice new mining .
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