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Rivers flowing through Ranchi plateau may also contain thorium. By Dr. Nitish Priyadarshi Thorium deposits in India. River flowing near Ranchi city. Pegmatite intrusions in host rocks in Ranchi plateau. Thorium is a naturally occurring radioactive chemical element with the symbol  Th and atomic number 90. It was discovered in 1828 by the Norwegian mineralogist Morten Thrane Esmark and identified by the Swedish chemist Jöns Jakob Berzelius and named after Thor, the Norse god of thunder. Thorium produces a radioactive gas, radon-220, as one of its decay products. Secondary decay products of thorium include radium and actinium. In nature, virtually all thorium is found as thorium-232, which undergoes alpha decay with a half-life of about 14.05 billion years. Berzelius was quite unaware of the tremendous amount of power that this element stores within it. Subsequent development in the field of nuclear science and technology, however, revealed that thorium might well prove to ...

Jharkhand State of India can play major role in Rare Earth Elements production. by Dr. Nitish Priyadarshi China has been steadily reducing export quotas since 2005 for rare earth elements, which consist of 17 metals used in crucial new green technologies like hybrid cars, wind turbines and superconductors, as well as in missile guidance systems and mobile phones. According to Chinese experts, “Mass extraction of rare earth will cause great damage to the environment and that's why China has tightened controls over rare earth production, exploration and trade,". Overseas buyers have expressed concern about China 's policies to restrict rare earth exports, which have driven up global prices. Rare earths are in increasingly short supply as world demand surges, with industry officials predicting a global shortfall of 30,000 to 50,000 tonnes by 2012. The automobile industry uses tens of thousands of tons of rare earth elements each year, and advanced military technology depen...