rock phosphorite

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• Rock phosphate — is a general term for rock that contains a high concentration of phosphate minerals, which commonly belong to the apatite group. Phosphate rock minerals are the only significant global resources of phosphorus. Phosphorus is an essential element… …   Wikipedia

• phosphorite — [fäs′fə rīt΄] n. 1. natural calcium phosphate, similar chemically to apatite but without crystal form 2. a sedimentary PHOSPHATE ROCK phosphoritic [fäs′fərit′ik] adj …   English World dictionary

• phosphorite — phosphoritic /fos feuh rit ik/, adj. /fos feuh ruyt /, n. a sedimentary rock sufficiently rich in phosphate minerals to be used as a source of phosphorus for fertilizers. [1790 1800; PHOSPHOR + ITE1] * * * or phosphate rock Rock with a high… …   Universalium

• Phosphorite — A phosphorite or phosphate rock is a non detrital sedimentary rock which contains high amounts of phosphate bearing minerals. The phosphate content of phosphorite is at least 20% which is a large enrichment over the typical sedimentary rock… …   Wikipedia

• phosphorite — noun Date: 1796 1. a fibrous concretionary apatite 2. phosphate rock • phosphoritic adjective …   New Collegiate Dictionary

• phosphorite — noun a sedimentary rock rich in phosphate minerals such as apatite …   Wiktionary

• phosphorite — [ fɒsfərʌɪt] noun a sedimentary rock rich in calcium phosphate …   English new terms dictionary

• phosphorite — phos•pho•rite [[t]ˈfɒs fəˌraɪt[/t]] n. pet a sedimentary rock sufficiently rich in phosphate minerals to be used as a source of phosphorus for fertilizers • Etymology: 1790–1800 phos pho•rit′ic ˈrɪt ɪk adj …   From formal English to slang

• 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

• phosphate rock — phosphorite. [1865 70] * * * ▪ Table Phosphate rock country mine production 2006 (metric tons)* % of world mine production demonstrated reserves 2006 (metric tons)* % of world demonstrated reserves China 32,000,000 22.1    13,000,000,000 26.0   … …   Universalium

• Phosphate rock — or phosphorite is a general description applied to several kinds of rock which contain significant concentrations of phosphate minerals, which are minerals that contain the phosphate ion in their chemical structure.Many kinds of rock contain… …   Wikipedia