Estuarine Sediments as bio-markers for metal pollution on Tamilnadu coast

(Bio-geochemical study)

Algal packstone showing slender ribbon like bands of red algae melobasian 

Discocyclinid sandy packstone. Showing bryozoan and discocylinid

Bryozoan algal packstone shoeing bryozoan and red algae

Foraminiferal algal Sandy packstone- resembling larger foraminiferal test in a sparry calcite mosaic