2005•Unpublished venueRequires access

Characterization of Srikurmum and Navaladi Beach Placer Minerals

D. Srinivasa Rao, T Vijaya Kumar, Sripada Subba Rao, S. Prabhakar, Guntamadugu Bhaskar Raju

Abstract

Two different beach placer samples from Srikurmum of Andhra Pradesh and Navaladi of Tamilnadu were collected and characterized in terms of their total heavy mineral content by heavy media as well as magnetic separation studies. Navaladi beach placer sample contains higher amounts of total heavy minerals than that of the Srikur-mum beadh. Mineralogical analysis on both the samples revealed high amounts of garnet and minor quantities of ilmenite. The particle size of garnet is coarser than that of ilmenite. EPMA results indicated that garnet is of almandine variety. The Eastern Ghats metarnotphic belt, covering both the areas, is considered to be the source of these beach placer minerals.

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Key concepts: Placer mining, Ilmenite, Placer deposit, Geology, Geochemistry, Mineralogy, Mineral, Heavy mineral