Phosphate Rocks

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Overview:

Recently, a government organization in Norway, has unearthed extensive deposits of phosphate rocks within the country.

About Phosphate: 

 

  • It is the natural source of phosphorus, an element that provides nutrients to plants for their growth and development.
  • How is phosphate formed? It is a sedimentary rock formed millions of years ago by the accumulation of organic matter on the ocean floor.
  • Its reserves are found in Africa, North America, Kazakhstan, the Middle East and Oceania.
  • The world’s largest deposits are located in Morocco, which is also one of the global leaders in phosphate extraction.
  • Phosphorus in India
    • Phosphate rocks are majorly produced only from two States in India, namely Rajasthan and Madhya Pradesh.
    • Rock phosphate is the key raw material for DAP and NPK fertilizers. Currently, India is 90% dependent on imports for this raw material. 
  • Uses
    • Most of the phosphate rock mined throughout the world is used to produce phosphate fertilizer.
    • It is also used as animal feed supplements.
    • Elemental phosphorus and phosphoric chemicals derived from phosphate rocks find application in detergents, insecticides etc.

 


Q1) What did Sedimentary rocks form?

Sedimentary rocks are formed from the accumulation and lithification (compaction and cementation) of sediments. Sediments are small particles of rocks, minerals, organic matter, or shells that are eroded and transported by water, wind, ice, or gravity.

Source: Norway's vast phosphate deposits offer hope for sustainable electric cars