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A sedimentary rock consisting predominantly of apatite and other phosphates.


1. (Minerals) a fibrous variety of the mineral apatite
2. (Minerals) any of various mineral deposits that consist mainly of calcium phosphate
phosphoritic adj


(ˈfɒs fəˌraɪt)

a sedimentary rock sufficiently rich in phosphate minerals to be used as a source of phosphorus for fertilizers.
phos`pho•rit′ic (-ˈrɪt ɪk) adj.
References in periodicals archive ?
Tenders are invited for Outsourcing Of 200 M Drilling For Evaluation Of Phosphorite Potential In Sallopat Extension Area, Banswara District, Rajasthan
The Centre has already spent about ` 350 crore as promotional grant for detailed exploration of 155 blocks of various minerals -- Copper, Gold, Bauxite, Tungsten, Limestone, Phosphorite, Diamond, etc, and established 5,600 million tonne of mineral resources through MECL.
Uzbekistan has leading world positions in gold, uranium, copper, natural gas, tungsten, potassium salts, phosphorite, and kaolin deposits.
Project Coordinator Anuj Baklival said in particular that his company is interested in development of iron, phosphorite and chrome mines, processing of iron ore.
The restraining factor is the rising cost of raw materials and scarcity of phosphorite.
In the modern world, sulfur bacteria inhabit upwelling vent and seep areas known as "Black Smokers" and mediate phosphorite formation.
Some small deposits of lead, zinc, copper, gold, quartz sand and phosphorite have been mined in the past, while iron, bauxite and nickel reserves have been discovered.
The extensive database for the Barrow Creek 1 Phospate Deposit (within the Ammaroo phosphate project - Rum 100%) is being evaluated to accurately define areas of shallow, easily extractable, high grade phosphorite requiring only minimum beneficiation to produce direct shipping product.
Belarus also has deposits of clay, sand, chalk, dolomite, phosphorite, and rock and potassium salt.
In the klint escarpment radioactive graptolite argillite (Dictyonema shale) and obolus phosphorite crop out.
Most of the radon gas comes from all kind of granite, black shale, metamorphite with abundant uranium, phosphorite and the soil which is derived from them, the fluvial facies, marine facies and delta facies sedimentary rock with abundant uranium, and the recent drift sheet and lake clay layer.