Phosphorite definition is - a fibrous concretionary apatite Time Traveler for phosphorite The first known use of phosphorite was in 1794 See more words from the same year

2 The term phosphate rock is loosely applied to rocks of any origin that contain more than about 20 percent P2Os The term phosphorite is equivalent in meaning but is commonly applied only to phosphate rocks of marine origin Guano is the term applied to accumulations of animal excrement altered to various degrees through hydration

Ore Mineralogy Phosphorite phosphate rock or rock phosphate is a non-detrital sedimentary rock which contains high amounts of phosphate bearing minerals The phosphate content of phosphorite is at least 15 to 20 which is a large enrichment over the typical sedimentary rock content of …

Phosphorite also called 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

The mining of phosphate rock mostly from marine phosphorite deposits for use as agricultural fertilizer F 72 increased dramatically in the latter half of the twentieth century In addition to fertilizer use deforestation increased cultivation and urban and industrial waste disposal all have enhanced phosphorus transport from terrestrial

Phosphate Rock and Phosphorite Phosphate rock and phosphorite are names used for sedimentary rocks that contain at least 15 to 20 phosphate on the basis of weight The phosphorous content in these rocks is mainly derived from the presence of apatite minerals

Phosphorite is a phosphate-rich sedimentary rock that contains between 18 and 40 P2O5 The apatite in phosphorite is present as cryptocrystalline masses referred to as collophane Pacific Fertiliser sells processed and refined apatite as soft rock phosphate as straight product or in blends SRPm general analysis 0-14-0-0 32 Ca

Rock Sedimentary rock and sediment Sedimentary rock Biochemical and chemical sedimentary rock and mammals Coprolites are composed largely of calcium phosphate Holmes 1928 b The fossilized and undigested residue that has been eaten and passed through the alimentary canal of some animal 1 photo of Phosphorite associated with

Mar 26 2019· The term phosphate rock or phosphorite is used to denote any rock with high phosphorus content The largest and least expensive source of …

Phosphate rock phosphorite is a marine sedimentary rock which contains 18-40 P 2 O 5 as well as some uranium and all its decay products often 70 to 200 ppmU and sometimes up to 800 ppm The main mineral in the phosphate rock is apatite and most commonly fluorapatite Ca 5 PO 4 3 F or Ca 10 PO 4 6 F OH 2 This is insoluble so

Phosphate rock and Phosphorite calcined Substance obtained by heating naturally occurring phosphate rock to 732°C to 816°C 1350°F to 1500°F in a fluidized bed or other suitable device for oxidizing carbonaceous matter Characterized by upgraded phosphorus content and reduced hydrocarbon levels

of phosphate rock mining and processing has occurred at numerous sites around the world over the past few decades Vertical integration of phosphate rock mining and processing may be a necessary component to compete in the world phosphate fertilizer market when new deposits are developed

In 2015 27 6 million metric tons of marketable phosphate rock or phosphorite was mined in the United States making the US the world s third-largest producer after China and Morocco The phosphate mining industry employed 2 200 people The value of phosphate rock mined was US$2 2 billion As of 2015 there are 10 active phosphate mines in four states Florida North Carolina Idaho and Utah

Apr 15 2019· URANIUM RESOURCES IN PHOSPHATE ROCK The world average uranium content in phosphate rock is estimated at 50 - 200 ppm Marine phosphorite deposits contain averages of 6 - 120 ppm and organic phosphorite deposits up to 600 ppm World uranium resources in phosphate rock are not very well known the following table shows approximate inventories

Phosphorite is an Agriculture resource found in Caustic Biomes Usage edit edit source Fertilizer Synthesizer can produce Fertilizer from Phosphorite 39 g s Polluted Water 65 g s Dirt 26 g s Phosphorite = 120 g s Fertilizer 10 g s Natural Gas Pincha Pepper domestic growth requires 1 kg cycle Phosphorite

Phosphorite definition a sedimentary rock sufficiently rich in phosphate minerals to be used as a source of phosphorus for fertilizers See more

Definition of phosphorite in the Definitions net dictionary Meaning of phosphorite What does phosphorite mean Information and translations of phosphorite in the most comprehensive dictionary definitions resource on the web Phosphorite phosphate rock or rock phosphate is a non-detrital sedimentary rock which contains high amounts of

phosphorite definition 1 natural calcium phosphate similar chemically to apatite but without crystal form 2 a sedimentary phosphate rock

Phosphorite is also as called Phosphate Rock Phosphorite is a nonmetallic chemical element its chemical symbol is P and atomic number is 15 It is a 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

Jan 17 2019· Transformation of Phosphorite Into Nano-Phosphate in Alkaline Medium - written by Nimbona Guillaume Yaya Mahamat Idriss Abdellah Ech-Chahad published on 2019 01 17 with reference data citations and full pdf paper

phosphorite ′fäs·fə‚rīt petrology A sedimentary rock composed chiefly of phosphate minerals Phosphorite also phosphate rock a sedimentary rock composed of more than 50 percent amorphous or microcrystalline minerals of the apatite group or on conversion to P2O5 more than 18 percent In geological prospecting rocks with satisfactory

Phosphate Rock and Phosphorite Phosphate rock and phosphorite are names used for sedimentary rocks that contain at least 15 to 20 phosphate on the basis of weight The phosphorous content in these rocks is mainly derived from the presence of apatite minerals

The mining of phosphate rock mostly from marine phosphorite deposits for use as agricultural fertilizer F 72 increased dramatically in the latter half of the twentieth century In addition to fertilizer use deforestation increased cultivation and urban and industrial waste disposal all have enhanced phosphorus transport from terrestrial

Phosphorite often referred to as phosphate rock is a sedimentary rock of which the main mineralogical constituent is francolite carbonate-fluor-apatite CFA The …

Phosphate Rock The term phosphate rock or phosphorite is used to denote any rock with high phosphorus content The largest and least expensive source of phosphorus is obtained by mining and concentrating phosphate rock from the numerous phosphate deposits of the world

As a mineral resource phosphate rock is defined as unprocessed ore and processed concentrates that contain some form of apatite a group of calcium phosphate minerals that is the primary source for phosphorus in phosphate fertilizers which are vital to agriculture

Phosphorite Phosphorite phosphate rock or rock phosphate is a non-detrital sedimentary rock which contains high amounts of phosphate minerals The phosphate content of phosphorite or grade of phosphate rock varies greatly from 4 to 20 phosphorus pentoxide P 2 O 5 Marketed phosphate rock is enriched beneficiated to at least 28 often more than 30 P 2 O 5

Synonyms for phosphorite in Free Thesaurus Antonyms for phosphorite 11 words related to apatite atomic number 15 P phosphorus atomic number 65 Tb terbium atomic number 69 thulium Tm mineral fluorapatite What are synonyms for phosphorite

Phosphorite s wiki Phosphorite phosphate rock or rock phosphate is a non-detrital sedimentary rock which contains high amounts of phosphate minerals The phosphate content of phosphorite or grade of phosphate rock varies greatly from 4 to 20 phosphorus pentoxide P 2 O 5 Marketed phosphate rock is enriched beneficiated to at least 28 often more than 30 P 2 O 5

Rock phosphate or phosphorite is mined from clay deposits that contain phosphorus and is used to make organic phosphate fertilizers that many gardeners utilize In the past rock phosphate was used alone as a fertilizer but due to a lack in supply as well as low concentration most applied