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  • Determining the Real Value of Junior Mining Companies »
  • Digging Deep into Mining Investment Scams »
  • Using Risk as a Key Decision Parameter »
  • Managing Volatility Through Strategic Flexibility »

• Gruenewald to bolster Aussie presence »
  March 13, 2010
• Federal officials increase fines for Alabama mine »
  March 13, 2010
• SME 2010 a hit for many »
  March 13, 2010
• more news »

	The Mining Buyer's Guide Consulting Services » Environment & People » Exploration » Mine Planning » more » Contracting » Drilling » Mineral Processing » Underground Mining » more » Equipment & Supplies » Drilling & Blasting » Crushing & Conveying » Pumps & Pipelines » more » Supplies & Consumables » Buildings & Structures » Mineral Processing » Software » more » Support Services » Education & Training » Health & Safety » Transportation & Travel » more »

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• Minerology »

Mining Field: Mineral Processing
Area: Grinding (Rule #519)

For most applications, 70:1 is the maximum practical reduction factor (ratio) for a ball mill, but 60:1 represents typical design practice.

• Asia Mining Congress 2010 »
  Singapore | March 22, 2010 - March 26, 2010
• Mines and Money Hong Kong 2010 »
  China | March 29, 2010 - March 31, 2010
• The World Moneyshow »
  Canada | April 6, 2010 - April 8, 2010
• 2010 Calgary Resource Investment Conference »
  Canada | April 10, 2010 - April 11, 2010
• EXPOMIN 2010 »
  Chile | April 12, 2010 - April 16, 2010
• 2010 Saskatchewan Investment Conference »
  Canada | May 7, 2010 - May 7, 2010
• World Mining Investment Congress 2010 »
  United Kingdom | May 17, 2010 - May 19, 2010
• IX International Gold Simposium »
  Peru | May 18, 2010 - May 20, 2010
• 17th Coal Congress of Turkey and Mining Exhibition »
  Turkey | June 2, 2010 - June 4, 2010
• III International Technological Exhibition for the Mining Industry - Argentina " San Juan Key Factor for Argentine Mining Development" »
  Argentina | June 2, 2010 - June 4, 2010
• 2010 World Resource Investment Conference »
  Canada | June 6, 2010 - June 7, 2010
• Central Asia Mining Congress 2010 »
  Kazakhstan | June 7, 2010 - June 10, 2010
• 13th U.S./North American Mine Ventilation Symposium »
  Canada | June 13, 2010 - June 18, 2010
• Alberta's Oil Sands »
  Canada | June 16, 2010 - June 16, 2010
• Uranium 2010 - 3rd International Conference on Uranium »
  Canada | August 15, 2010 - August 18, 2010
• more events »

• Union suspends strike at world's top bauxite miner »
  March 13, 2010
• Goldcorp's project pipeline, acquisitions to yield even more gold ounces in 2010 »
  March 13, 2010
• Capital Gold still dreams of growing big »
  March 13, 2010
• Agrium abandons CF Industries bid »
  March 13, 2010
• Revised Proposal from Nyrstar NV may thwart Toho Zinc »
  March 13, 2010
• First Uranium seeks C$150m cash »
  March 13, 2010
• ETFs in 2010 - platinum and gold are both winners and losers »
  March 13, 2010
• "Avatar" not winning many friends in mining circles »
  March 13, 2010
• Kinross to acquire Underworld Resources at a 36% premium »
  March 13, 2010
• more news »

Notícias em Português - News in Portuguese »

	Commodity News Aluminum » Coal » Cobalt » Copper » Diamond » Gold » Iron Ore » Lead » Molybdenum » Nickel » Oil (Oil Sands) » Palladium » Platinum » Silver » Tin » Titanium Uranium » Zinc »

• Illinois average soybean yield down 1, Indiana up 4 »
  March 14, 2010
• Qatar sees OPEC keeping output unchanged »
  March 14, 2010
• Precious metals end weak »
  March 14, 2010
• Nalco signs MoU with Ministry of Mines »
  March 14, 2010
• Anger as coal power plant bid goes ahead »
  March 14, 2010
• OPEC may not change output, says Attiyah »
  March 14, 2010
• Rio Tinto plans to invest US$530m in Indian mining »
  March 14, 2010
• Giant Step's Sunset Soiree At WMC With Gilles Peterson, Bobbito and More On March 26, 2010 »
  March 14, 2010
• more news »

	Industry Focus Geology & GeoSciences » Environmental Sciences » Engineering » Mill & Metallurgy » Mining Production » Management & Administration » Technicians » Mechanical » Trade & Skilled »

• Senior Exploration Geologist »
  USA | March 12, 2010
• Project Document Controller »
  Tanzania | March 12, 2010
• Clerk of Works »
  Tanzania | March 12, 2010
• Senior Mining Engineer  »
  USA | March 12, 2010
• Intermediate Mining Engineer »
  USA | March 12, 2010
• Junior Mining Engineer »
  USA | March 12, 2010
• Facilities Technician »
  Canada | March 12, 2010
• Installation and Repair Technician »
  Canada | March 12, 2010
• Senior Geologist  »
  Canada | March 12, 2010
• Engineer IV (Mining Engineer) »
  Canada | March 12, 2010
• more jobs »

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• Technical Update – Stocks and Gold both Target 1,150 »
  March 13, 2010
• Detecting Metal: Big History in the Hamlet of Upton, Leicestershire »
  March 12, 2010
• Ontario Throne Speech Supports Mining’s Role in Province’s Future »
  March 12, 2010
• More weekend mining musings »
  March 12, 2010
• Stainless Steel Shower in Jaclo’s Aqua Adagio »
  March 12, 2010
• M&A in the Metal Service Center Industry a Case Study – Part Three »
  March 12, 2010
• Hedgehogs and Marmots »
  March 12, 2010
• Global data on mining vehicle tyres and wheels will improve performance »
  March 12, 2010