Atomic minerals are the most important among non-fossil energy resources. They are found in the slate rocks of the pre-Cambrian (Archean Schist) and Dharwar periods in India. Uranium and Thorium are major minerals for the production of atomic energy. Uranium is mined directly whereas for thorium is obtained mainly from monazite and limonite. Thorium is also obtained from beryllium, zircon, antimony and graphite.
Uranium deposits occur in Singhbhum and Hazaribagh districts of Jharkhand, Gaya district of Bihar, and in the sedimentary rocks in Saharanpur district of Uttar Pradesh.But the largest source of uranium comprise the monazite sands.Monazite sands occur on east and west coasts and in some places in Bihar. But the largest concentration of 
monazitesand is on the Kerala coast.Some uranium is found in the copper mines of Udaipur in Rajasthan.Some quality reserves were recently discovered in parts of Andhra Pradesh and Telangana between Seshachalam forest and Sresailam [Southern edge of Andhra to Southern edge of Telangana].
Thorium: Kerala Monazite sands, India’s thorium is mostly found in the contiguous belt formed by its eastern coastal states. Draw the map of India and mark the area
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