Fluoridecontaminated wastewater sitting on top of "gypsum stack."To make 1 pound of commercial fertilizer, the phosphate industry creates 5 pounds of contaminated phosphogypsum slurry (calcium sulfate).
Excerpt from Annual Report of the Commissioner of Mineral Statistics of the State of Michigan, for 1881 Prof. Lawton has visited all of the copper, iron, and coal mines, gypsum and slate quarries in the State that are working, and has also examined and described many other localities were mines are being opened, and to which public .
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On October 20, 1890, however, Robert Miller "Bob" Womack discovered a rich ore and the last great Colorado gold rush was on. Thousands of prospectors flocked to the region, and before long Winfield Scott Stratton loed the famous Independence lode, one of the largest gold strikes in history.
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Prices for Organic Minerals, Trace Minerals and Fertilizers 2007, including sulfur, phosphorus, calcium, magnesium, potassium, sodium, boron, iron, manganese, copper, zinc, and trace elements
Income Tax Manual PartII Contents 11. Form for appliion for a certifie to deduct tax at a lesser rate, etc.— (1) The appliion for a certifie
Company Name: GNCC Capital Inc., Stock Symbol: GNCP, Industry: Mining/Resources, Total Posts: 120881, Last Post: 8/22/2018 9:05:14 PM
cu. ft. Gypsum Add to existing lawn and garden soil to improve fertilizer efficiency and promote root growth. Use to aid water penetration. Use to loosen tight soils.
Rio Tinto Group is an AngloAustralian multinational and one of the world's largest metals and mining corporations. The company was founded in 1873, when a multinational consortium of investors purchased a mine complex on the Rio Tinto, in Huelva, Spain, from the Spanish government.
If a modifiion to the Dargues Reef Gold Mine, at Majors Creek, is approved, the mine may finally be able to begin operating. The modifiion being sought includes expanding the mines operational life from August 31, 2018, to December 31, 2024, increasing the approved maximum ore extraction from to million tonnes, constructing and ...
Niger The economy: The economic system is based upon planning but accords an important role to private enterprise. The three main policy objectives are the maintenance of national unity, the elevation of the living standards of the population, and the attainment of economic independence.
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Uranium Mining In the last fifty years uranium has become one of the world's most important energy minerals. It is used almost entirely for making electricity, though a small proportion is used for the important task of producing medical isotopes.
Current List: Each month, we offer an abbreviated selection of minerals from our inventory of over 200,000 samples. If you don't see what you're looking for here, or on our Recent Catalogs pages, or on our Rare Species lists, please request a special quote by mail, email, fax or telephone.