phosphate rock

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phosphorite

or phosphate rock

Rock with a high concentration of phosphates in nodular or compact masses. The phosphates may be derived from a variety of sources, including marine invertebrates that secrete shells of calcium phosphate and the bones and excrement of vertebrates. Typical phosphorite beds contain about 30% phosphorus pentoxide (P₂O₅) and constitute the primary source of raw materials for phosphate fertilizers. Significant deposits in the U.S. include the Phosphoria Formation in Idaho and the Monterey Formation in California. Major deposits also occur in the Sechura Desert in Peru.

phosphate rock [′fä‚sfāt ′räk]

(materials)

A rock that is naturally high enough in phosphorus to be used directly in fertilizer manufacturing.

The beneficiated concentrate of a phosphate deposit.

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No references found			AaAaAa OCP Group, headquartered in Casablanca, is a worldwide leader in the phosphate rock and derivatives industry, while Jacobs is one of the world's largest and most diverse providers of technical, professional, and construction services. Morocco's phosphate company to form joint venture with US Jacobs ... by UMCI News (Potomac Falls, VA) Phosphate rock prices also witnessed the same trend although with higher percentages. Global Investment House -- Kuwait - MENA Fertilizer Sector Earnings - ... by Albawaba.com Phosphate fertilizer is made with ammonia, which requires natural gas, and phosphate rock. Ten companies to introduce new fertilizer to Egypt by Daily News Egypt (Egypt)			phorate Phorbia Phorcus phoresy Phoridae Phormio phorogenesis Phoronida Phoronidea Phororhacos Phoros Phosgene phosgenite Phosmet Phosphatase Phosphate phosphate anion phosphate buffer phosphate coating phosphate desulfurization Phosphate Feed phosphate fertilizer phosphate glass Phosphate Ore phosphate recovery process phosphate rock Phosphate Slag phosphated metal Phosphates, Natural phosphatic nodule phosphatide phosphatidic acid Phosphatidyl Serine Phosphating phosphatization phosphatizing phosphaturia Phosphene Phosphide Phosphine phosphinic acid Phosphite Phosphocreatine Phosphoenolpyruvic Acid phosphoferrite phosphofructokinase phosphoglucoisomerase Phosphoglucomutase phosphoglycolate phosphohexose isomerase phospholan			Phosphate conversion coating phosphate desulfurization Phosphate Development Works phosphate diabetes Phosphate Eliminating Enzyme Phosphate ester Phosphate ester Phosphate ester Phosphate Feed phosphate fertilizer phosphate glass Phosphate group Phosphate group Phosphate group phosphate loading Phosphate Mineral Phosphate Mineral Phosphate Mineral Phosphate minerals Phosphate minerals Phosphate Ore Phosphate Per Liter Glomerular Filtration Rate phosphate recovery process Phosphate Resources Limited phosphate retention phosphate retention phosphate retention phosphate ridge phosphate ridge phosphate ridge phosphate rock Phosphate rock island Phosphate rock island Phosphate rock island Phosphate Slag phosphate test phosphate yielding endonucleases phosphate yielding endonucleases phosphate yielding endonucleases phosphate-bond energy phosphate-bonded casting investment phosphate-bonded casting investment phosphate-bonded casting investment phosphate-bonded casting investment phosphate-bonded casting investment Phosphate-Buffered Saline Phosphate-Buffered Saline containing 1mm Edta Phosphate-Buffered Saline with Glucose Phosphate-Buffered Saline/Tween Phosphate-Citrate Buffer Containing Saponin phosphate-free phosphate-restricted diet phosphate-restricted diet phosphate-restricted diet phosphate-restricted diet Phosphate:Na + Symporter phosphated metal phosphatemia Phosphates Phosphates Phosphates

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