FORAMINIFERAL STUDIES IN THE BEYPORE RIVER MOUTH SEDIMENTS
Author(s):
Sivaraj K, Palpandi Raja R, Savad CV
Keywords:
Beypore river mouth, Foraminifera, Reworked forms
Abstract
Foraminifers from beach and river mouth sediments, however, are equally important as they can be of immense utility while understanding the dynamics of wave action during tides, cyclonic storm surges, or rarely tsunamis. Beypore river mouth sediments has been investigated for recent benthic foraminifera. The present study aims to investigate sediment distribution in the Beypore river mouth and to find out the micro fauna present in the study area. With this it is planned to understand the relation between sediment nature and micro fauna. The surface and subsurface samples were collected from the Beypore estuary and from Chaliyam river. One core and thirteen surface samples were collected from different locations. Core sample was lithologged and subsampled. Terrigenous materials in core sediments are varying from 75-95 % and composed of quartz grains. The total biogenic content varies from 5-25 %. The biogenic matter consists of shell fragments, juvenile gastropods, foraminifera and others. Accordingly, 8 species / genera are reported and majority of them illustrated. No planktonic foraminifera recorded in this area. Most of the foraminiferal tests are found to be juvenile form. Few are fresh form and many are reworked forms. This kind of population indicates the foraminiferal test growth is controlled by high energy system, that to brought reworked tests into this study area.
Article Details
Unique Paper ID: 160982

Publication Volume & Issue: Volume 8, Issue 1

Page(s): 1400 - 1405
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