gaofengmqq

Barite Mining Equipment

ICL, a multinational fertilizer and specialty chemicals company, today announced that its ICL Fertilizers segment will supply its Chinese customers with 500,000 tons of potash in the first half of 2011, within the framework of its existing supply agreemen... Read >

Cement Mill

Cement is made by heating limestone (calcium carbonate), with small quantities of other materials (such as clay) to 1450 °C in a kiln, in a process known as calcination, whereby a molecule of carbon dioxide is liberated from the calcium carbonate to form ... Read >

Gold Mining Equipment

Gold is the most malleable and ductile of all metals; a single gram can be beaten into a sheet of 1 square meter, or an ounce into 300 square feet. Gold leaf can be beaten thin enough to become translucent. The transmitted light appears greenish blue, bec... Read >

copper crusher(12.13)

Copper metal and alloys have been used for thousands of years. In the Roman era, copper was principally mined on Cyprus, hence the origin of the name of the metal as Cyprium, "metal of Cyprus", later shortened to Cuprum. There may be insufficient rese... Read >

coal ball mill(12.6)

Improper operation of the coal mill may cause the explosion of the machine . What is the proper method to operate coal mill to avoid the disaster?　　 1. change the piling method of the coal to make the coal accumulate little ; thus avoid th... Read >

The study estimates(11.18)

GOLDEN, Colo., Feb. 18 /CNW/ -- Atna Resources Ltd. ("Atna") - (TSX: ATN) is pleased to announce that it has completed a study that has significantly increased open pit ore reserves at the Briggs Mine in Inyo County, California. The study estimates that... Read >

Reward Mine(11.18)

GOLDEN, Colo., Feb. 16 /CNW/ -- Atna Resources Ltd. ("Atna") - (TSX: ATN.TO) is pleased to announce that the Nevada Division of Environmental Protection (NDEP) has issued a Reclamation Permit for the Reward Gold Mine near Beatty, Nevada, that became effec... Read >

At the election(11.18)

GOLDEN, Colo., Sept. 8 /CNW/ -- Atna Resources Ltd. ("Atna") - (TSX: ATN.CA) has amended the terms of its CAD$1,500,000 convertible debentures, full particulars of which are disclosed in Atna's news releases dated September 14, 2009 and September 18, 2009... Read >

Mineral Invest International (11.17)

Mineral Invest International MII AB (publ) has today through its local subsidiary, Mineral Invest Congo SPRL, after a long period of negotiations with the state owned mining company Office de mines de’Or de Kilo-Moto, OKIMO, acquired an exclusive license ... Read >

Gold American Mining Corp(11.17)

Gold American Mining Corp. announce that drilling operations at its Guadalupe Property (Zacatecas, Mexico) are now underway. Operations commenced late on Thursday, October 7, 2010. The first drill hole is targeting the down dip extension of the San Ant... Read >