phosphate rock phosphorite


  • Phosphate Rock | Mosaic Crop Nutrition

    Worldwide, most soils and crops require phosphorus (P) additions to improve fertility and production. Directly applying unprocessed phosphate rock to soil may provide a valuable source of plant nutrients in specific conditions, but growers must consider several complicating factors and limitations.

  • Phosphorite - Microscope

    Phosphorite is a type of sedimentary rock that is primarily composed of apatite and other phosphates.

  • Phosphate mineral | Britannica.com

    Phosphate mineral: Phosphate mineral,, any of a group of naturally occurring inorganic salts of phosphoric acid, H3(PO4). More than 200 species of phosphate minerals are recognized, and structurally they all have isolated (PO4) tetrahedral units.

  • Phosphorite | Revolvy

    Phosphorite Fossiliferous peloidal phosphorite, (4.7 cm across), Yunnan Province, China. 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% …

  • Phosphate Mining - The Mosaic Company

    How Phosphate is Recovered Phosphate rock is usually found 15-50 feet beneath the ground in a mixture of phosphate pebbles, sand and clay known as phosphate "matrix."

  • 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 ...

  • Apatite, Phosphorite and Phosphate Rock - Geology

    Apatite is the mineral used for the hardness of 5 in the Mohs Scale. It is popular as a gemstone. Its most important uses are in the production of fertilizer and phosphoric acid for the chemical industry.

  • Phosphorite | Revolvy

    Phosphorite Fossiliferous peloidal phosphorite, (4.7 cm across), Yunnan Province, China. Phosphorite, phosphate rock or rock phosphate is a non-detrital sedimentary rock which contains high amounts of phosphate minerals.

  • Phosphorite | mineral | Britannica.com

    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.

  • Phosphate mining in the United States - Wikipedia

    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 …

  • Phosphorite Mines In Africa - …

    Phosphorite, phosphate rock or rock phosphate is a non-detrital sedimentary rock which contains high amounts of phosphate minerals. Live Chat;

  • Phosphorite: Phosphorite mineral information and data.

    Coprolite: a. The fossil excrement of fishes, reptiles, 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 …

  • 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 The term "phosphorite" is equivalent in meaning, but is

  • Phosphorite - Wikipedia

    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.

  • Phosphorite

    Jan 12, 2016· 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 strongly, from 4%[1] to 20% phosphorus pentoxide (PO). Marketed phosphate rock is enriched ("beneficiated") to …

  • Uranium from Phosphates | Phosphorite Uranium - …

    Chief among these is rock phosphate, or phosphorite. Estimates of the amount available range from 9 to 22 million tonnes of uranium. The World Distribution of Uranium Deposits Estimates of the amount available range from 9 to 22 million tonnes of uranium.

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