Distribution of organic matter and calcium carbonate in the shelf sediments off Penner River, east coast of India

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Date
1997
Journal Title
Journal ISSN
Volume Title
Publisher
Elsevier
Abstract
Organic matter and calcium carbonate in the shelf sediments off penner river are mainly controlled by the texture of the sediments. The outer shelf (30-50 m depth) sediments of the southern and northern parts have a higher content of organic matter (1.2 to 2.22%). The sharp differences in organic matter content (varies from 0.8-1.6%) and fine nature of the sediments at the river mouth reveals detrital contribution. A calcium carbonate rich zone (30-40%) associated with coarse sands occurs opposite to penner river mouth (20-50 m depth). The source for high concentration of calcium carbonate in the coarse sands (relict) are molluscan shells, shell fragments and foraminifera indicative of the in situ origin . It is inferred that the calcium carbonate supports that the coarse sands are stillstand deposits admixtured with present conditions.
Description
Abstract. Full text article available at https://www.infona.pl/resource/bwmeta1.element.elsevier-6f191ad2-61da-3a52-97fc-a437a1aa9bc8
Keywords
Organic matter, Calcium carbonate, Shelf sediments, Penner river, India, Sand
Citation
Seetharamaiah, J., & Swamy, A. S. R. (1997). Distribution of organic matter and calcium carbonate in the shelf sediments off Penner River, east coast of India. Oceanographic Literature Review, 12(44), 1464.
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