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Organic carbon-sulfur relationships in sediment cores from the western and eastern continental margins of India

DRS at CSIR-National Institute of Oceanography

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Title Organic carbon-sulfur relationships in sediment cores from the western and eastern continental margins of India
 
Creator Rao, P.S.
Mascarenhas, A.
Paropkari, A.L.
Rao, Ch.M.
 
Subject Geology and Geophysics
sulphur
organic carbon
continental margins
sediment chemistry
sediment analysis
terrigenous sediments
sedimentation
sedimentary environments
ISW, Indian Ocean
 
Description Two sediment cores from the western continental margin (WMI, WM2) and one core from the eastern continental margin (EM) of India have been analysed to determine the relativ importance of factors such as oxidizing/reducing environment, mass deposition and terrigenous influx on organic carbon-sulfur relationship. The results indicate that the cores consist of two stratigraphic units: an upper unit of Holocene age and a lower unit of Late Pleistocene age. The upper unit of WM1 and WM2 has C-S relationships similar to those of normal marine (oxic) sediments, whereas in the lower unit the relationship is controlled by mass sedimentation processes and the amount of terrestrial organic matter. In EM1, organic carbon and sulfur do not show any significant corrlation since their abundance is mainly controlled by the amount of detrital pyrite. Further, a synthesis of data of all the three cores resulted in delineation of different clusters which reflect the importance of sedimentary processes and the types of organic matter
 
Date 1994-05-04T10:06:26Z
2017-09-30T01:55:45Z
1994-05-04T10:06:26Z
2017-09-30T01:55:45Z
1994
 
Type Journal Article
 
Identifier Marine Geology, vol.117(1-4); 1994; 227-236
0025-3227
http://drs.nio.org/drs/handle/2264/7409
 
Language en
 
Relation Mar Geol
SCI
 
Publisher Elsevier