Lithium Deposits Found in Karnataka

Lithium Deposits:

Preliminary surveys on the surface and limited subsurface by Atomic Minerals Directorate for Exploration and Research (AMD) have shown the presence of Lithium resources of 1,600 tonnes in the pegmatites of Marlagalla – Allapatna area, Mandya district, Karnataka.

About Lithium:

  • It is a soft, silvery-white metal. Under standard conditions, it is the lightest metal and the lightest solid element.
  • It is highly reactive and flammable, and must be stored in mineral oil. It is an alkali metal and a rare metal.
  • It has the highest specific heat capacity of any solid element.
  • It is flammable and can even explode when exposed to air and water.
  • Uses:
    • Lithium is a key element for new technologies and finds its use in ceramics, glass, telecommunication and aerospace industries.
    • The well-known uses of Lithium are in Lithium ion batteries, lubricating grease, high energy additive to rocket propellants, optical modulators for mobile phones and as convertor to tritium used as a raw material for thermonuclear reactions i.e. fusion.

Prescribed substance:

  • The thermonuclear application makes Lithium as a “Prescribed substance” under the Atomic Energy Act, 1962 which permits AMD for exploration of Lithium in various geological domains of the country.
  • Under the Atomic Energy Act, 1962, “Prescribed Substance” means any substance including any mineral which the Central Government may, by notification, prescribe, being a substance which in its opinion is or may be used for the production or use of atomic energy or research into matters connected therewith and includes uranium, plutonium, thorium, beryllium, deuterium or any of their respective derivatives or compounds or any other materials containing any of the aforesaid substances.

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