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ORIGINAL ARTICLE
Year : 2018  |  Volume : 41  |  Issue : 1  |  Page : 47-50

Radioactive disequilibrium in uranium series of core samples from Rasimalai and Pakkanadu areas of Tamil Nadu, India


1 Department of Atomic Energy, Atomic Minerals Directorate for Exploration and Research, Bengaluru, Karnataka, India
2 Department of Atomic Energy, Atomic Minerals Directorate for Exploration and Research, Hyderabad, Telangana, India

Correspondence Address:
V Madhavi Shankar
Department of Atomic Energy, Atomic Minerals Directorate for Exploration and Research, Bengaluru, Karnataka
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/rpe.RPE_18_18

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Uranium mineral in a geological environment may behave like an open system. Various factors such as mobility of radium, α-recoil of 234U causing migration of uranium radioisotopes, and radon emanation lead to disequilibrium in uranium decay series. A study has been carried out to find the disequilibrium status of subsurface samples of Rasimalai area of Vellore district and Pakkanadu area of Salem district, Tamil Nadu. This study has a significance in connection with exploration of atomic minerals. It was observed that samples of Rasimalai area show a disequilibrium in favor of parent uranium whereas samples from nearby Pakkanadu area are in equilibrium.


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