hard rock phosphate

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• Phosphate — Systematic name …   Wikipedia

• rock — rock1 rockless, adj. rocklike, adj. /rok/, n. 1. a large mass of stone forming a hill, cliff, promontory, or the like. 2. Geol. a. mineral matter of variable composition, consolidated or unconsolidated, assembled in masses or considerable… …   Universalium

• Phosphate — A form of phosphoric acid. Calcium phosphate makes bones and teeth hard. * * * 1. A salt or ester of phosphoric acid. For individual phosphates not listed here, see under the name of the base. 2. The trivalent ion, PO43−. bone p. SYN: tribasic… …   Medical dictionary

• Underground mining (soft rock) — refers to a group of underground mining techniques used to extract coal, oil shale and other minerals or geological materials from sedimentary ( soft ) rocks. Because deposits in sedimentary rocks are commonly layered and relatively less hard,… …   Wikipedia

• soft phosphate — noun : a powdery impure form of tricalcium phosphate of low fertilizer value occurring in natural deposits of phosphate rock and separated from hard rock and pebble phosphates in fertilizer manufacture …   Useful english dictionary

• sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… …   Universalium

• Sedimentary rock — Middle Triassic marginal marine sequence of siltstones (below) and limestones (above), Virgin Formation, southwestern Utah, USA Sedimentary rock are types of rock that are formed by the deposition of material at the Earth s surface and within… …   Wikipedia

• Aluminium phosphate — Chembox new Name = Aluminium phosphate ImageFile = ImageName = Aluminum phosphate OtherNames = Aluminium monophosphate Section1 = Chembox Identifiers CASNo = 7784 30 7 Section2 = Chembox Properties Formula = AlPO4 MolarMass = 121.952 g/mol… …   Wikipedia

• India — /in dee euh/, n. 1. Hindi, Bharat. a republic in S Asia: a union comprising 25 states and 7 union territories; formerly a British colony; gained independence Aug. 15, 1947; became a republic within the Commonwealth of Nations Jan. 26, 1950.… …   Universalium

• Tampa, Florida — Tampa redirects here. For other uses, see Tampa (disambiguation). Tampa   City   Images from top, left to right: Skyline of D …   Wikipedia

• Fertilizer — Tennessee Valley Authority: Results of Fertilizer demonstration 1942 …   Wikipedia