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The AAPG/Datapages Combined Publications Database
Journal of Sedimentary Research (SEPM)
Abstract
Beach Erosion and Concentration of Heavy Mineral Sands
C. Borreswara Rao
ABSTRACT
The east coast of India, extending from Vasishta Godavari river in the south to Vamsadhara river in the north was surveyed with special reference to the beach configuration and concentration of heavy mineral sands. It was found that storms in the Bay of Bengal and the annual changes in sea level cause beach erosion, while large scale regression of the beach is the result of changes in the oceanographic environment. The concentration of well-sorted heavy mineral sands is effected by such beach erosion and beach regression. This is believed to be due to the sorting action of the powerful waves responsible for the erosion and the transporting action of the along-shore currents.
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