Screening and grading of ore
Screening is the use of a wide range of particle size sieve to size the material is divided into several levels according to the job. Classification is based on the material in the medium (water or air) in the velocity of the different grain size into different jobs. Coarse material generally used for screening, that is greater than 0.25 mm material. Finer material, material that is less than 0.2 mm multi-purpose classification. But in recent years, d ... Read More

London Mining, which began producing iron ore from its Marampa operation in Sierra Leone earlier this month, has delayed its first shipment to January.

It said the delay, from an initial target that would have seen a first shipment before the end of 2011, would allow it to use larger supramax sized vessels, instead of handymax sized vessels, for no additional f ... Read More

TORONTO, Dec. 7, 2011 /CNW/ - Anaconda Mining Inc. (“Anaconda” or “the Company”) - (TSX: ANX) is very happy to announce that, pursuant to an agreement dated today, it offers closed the sale of that Chilean iron ore exploration assets with a private Chilean company, Hierro Tal Tal S.A. (“Tal Tal”), for US$11 million in cash payments, a revenue royalty and a 1.25% carried interest in Compania Portuaria Tal Tal S.A. (“CPTT”). Using the cash proceeds received at closing of U ... Read More

South Africa is not only rich in metal mining, but also rich in the nonmetal Mining resources. For example, the coal reserve is the seventh of the world. Now South Africa is one the chief coal production countries, it is the fourth largest exporting country of coal and it is also the leader production country of liquid fuel made of coal.

So coal crusher for sale in South Africa has big market. With more investors focus on the South Africa coal industry, Double has won more and mo ... Read More

Gold Mining machine has an important role in gold Mining industry. We are a professional gold Mining machine manufacturer, We produce gold ore cursher and gold ore grinding machines,and we a lot of gold ore beneficiation line for your choose, In gold mining, high technology gold Mining equipment, such as gold detectors, elegant modern dredges, and lightweight sluices also be needed.

To separate the gold from the ore collected by the diggers in th ... Read More