DISTRIBUTION OF FORAMINIFERA IN KADALUNDI RIVER MOUTH SEDIMENTS, KERALA

DISTRIBUTION OF FORAMINIFERA IN KADALUNDI RIVER MOUTH SEDIMENTS, KERALA
Author(s):
Sivaraj K, Mohammed Shafi C
Keywords:

Abstract
The present study was focused to assess the sediment distribution anddepositional history of the study area (Kadalundi river mouth, Kerala), also to findthe microfaunal presence in the study area, through that to understand thedepositional history of foraminifera in the marginal marine system. For this studyone core and 10 surface samples were collected in the Kadalundi river mouth. The70 cm core was spillited into two halves and lithologged. 27 subsamples weregenerated from the core at an interval of 2.5 cm. Sand-silt-clay ratios estimated. Concentration of CaCO3 ranges from 0.2% to 1.9% in the core sample. Whereas inthe surface sediments the range between 0.2% - 0.9%. Top 25 cm sediments of thecore sample more and less calcium carbonate and forams. From 20.5-50 cm depththe fine sediments are favour to enrich the foraminiferal population. Bottomsediment is rich in sand also moderately rich in reworked adult foraminifera andjuvenile forams. This reflects the energy was high enough to carry largerfragments into the study area. The imbalanced energy causes the juvenileforaminiera become extinct.
Article Details
Unique Paper ID: 155502 Publication Volume & Issue: Volume 8, Issue 10 Page(s): 675 - 680
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