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Asian Journal of Applied Sciences
Year: 2008  |  Volume: 1  |  Issue: 4  |  Page No.: 327 - 333

Trace Element Studies and Origin of Magnetite Quartzite Iron Formations of Northern District of Tamil Nadu, India

A. Thirunavukkarasu, S. Rajendran, B. Poovalinga Ganesh, K. Shankar, S. Raja, M. Rajamanickam and K. Maharani    

Abstract: The present study is an attempt to understand the mineralogical and geochemical characteristics of iron formations especially, the ferried group of elements and their significance in the origin to selected iron formations of northern districts of Tamil Nadu. Fourier Transform Infrared (FTIR) spectroscopy and ore microscopic investigation reveals that, the banded magnetite quartzite samples consist of magnetite and quartz as major minerals with hematite, grunerite, hornblende, hypersthene, goethite and chlorite as accessory minerals. About 36 magnetite quartzite samples were analyzed for the ferride group of elements of study regions. The results of chemical analyses of ferride group elements like Mn, Ni, Ti, Co, Cr and V in the iron formations of different regions are presented and interpreted. Lower concentration of these elements in the iron formations indicate that source of materials derived from weathering of landmasses. Further enrichment of Ti and Cr compared to other elements suggest the BIF’s are of metasedimentary in origin.

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