• Phosphorite - definition of phosphorite by The Free Dictionary

    Define phosphorite. phosphorite synonyms, phosphorite pronunciation, phosphorite translation, English dictionary definition of phosphorite. n. A sedimentary rock consisting predominantly of apatite and other phosphates. n 1. a fibrous variety of the mineral apatite 2. any of various mineral...

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  • Category:Phosphorite - Wikimedia Commons

    phosphorite non-detrital sedimentary rock which contains high amounts of phosphate bearing minerals. Upload media

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  • Phosphate rock formation and marine phosphorus ...

    Thus, intervals of phosphorite formation are not necessarily driven by high P input from weathering or even intervals of high biological production. 5. Phosphate rock reserves: a reflection on economic and environmental viability. Most of the reserves with the highest economic viability have been exploited.

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  • Uranium from Phosphates | Phosphorite Uranium - World ...

    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 ...

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  • Phosphorite: Mineral information, data and localities.

    Lithified phosphate-rich sediments. Non-essential minerals - these minerals are common, sometimes major components, but are not always present:

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  • Geochemistry of Uranium in Apatite and Phosphorite

    THE GEOCHEMISTRY OF URANIUM IN APATITE AND PHOSPHORITE By Z. S. ALTSCHULEK, K. S. CLAKKE, JR., and E. J. YOUNG ABSTRACT Apatite contains only traces of uranium, yet as apatite is a minor constituent in most rocks and the major constituent of a few very large deposits, it accounts, paradoxically, for both

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  • PHOSPHORITE - Amethyst Galleries

    Phosphorite is a sedimentary rock of biochemical origin. Phosphorite results from the accumulation of the shells of certain microorganisms that incorporate phosphate minerals such as apatite in their shells.. Massive apatite is sometimes called phosphorite.

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  • Phosphate Deposits - USGS

    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 ...

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  • Mineral Resource of the Month: Phosphate Rock | EARTH …

    Mineral Resource of the Month: Phosphate Rock. Stephen M. Jasinski, mineral commodity specialist for the U.S. Geological Survey, has compiled the following information on phosphate rock, the source of phosphorus, one of the three essential plant nutrients.

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  • Phosphorite | Definition of Phosphorite by Merriam-Webster

    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

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  • Phosphorite (mineral) - Image | Britannica.com

    Phosphorite, 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.

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  • Natural Indian Minerals, Indian mining industry, metallic ...

    The minerals which were wholly mined/recovered by the public/joint sector in 2006-07 were lignite, cooper ore, diamond, fluorite, phosphorite/rock phosphate, rock salt, sand and sulphur. By and large, almost the entire production of gold, dunite and gypsum was from public sector.

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  • Using Rock Phosphate For Gardens - What Does Rock ...

    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 ...

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  • Phosphorite - Wikipedia

    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).

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  • Phosphorite | Article about Phosphorite by The Free Dictionary

    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 ...

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  • Phosphorite - an overview | ScienceDirect Topics

    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 ...

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  • Phosphorite - Microscope

    Phosphorite is a type of sedimentary rock that is primarily composed of apatite and other phosphates. These phosphates may derive from an array of sources, including coprolites, fossilized bones, and the shells of marine organisms. View a second image of Phosphorite.

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  • Phosphorites | Article about phosphorites by The Free ...

    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 ...

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  • Phosphorite - Oxygen Not Included Wiki

    1 kg/cycle of Phosphorite is consumed by domestically grown Pincha Peppers. Wheezewort domestic growth requires 4 kg/cycle Phosphorite. Shine Bugs, Sun Bugs, Royal Bugs, Coral Bugs and Azure Bugs can eat Phosphorite. Phosphorite can be used as …

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  • Phosphorite – Phosphate Rock – PACIFIC FERTILISER

    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.

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  • Phosphate Rock | Minerals Education Coalition

    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.

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  • NOAA Ocean Explorer: Investigating the Charleston Bump ...

    In the case of the Charleston Bump, the Mn-Phosphorite formed as small nodules and, eventually coated over the existing seafloor sediments, “blanketing” the seafloor. This rock pavement is very solid and 1 m thick in some places. This type of rock is classified as a chemically precipitated "authigenic" (grown in place) sedimentary rock.

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  • Rock Phosphate Fertilizer - Garden Myths

    Rock phosphate is a recommended organic fertilizer for adding phosphorus to your garden. Find out why this is a bad idea. ... Rock Phosphate Fertilizer. ... My understanding is that is the two primary ‘minerals’ that make up phosphorite (rock phosphate) are hydroxyapatite and fluoroapatite.

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