Organic geochemistry of Walvis Bay diatomaceous ooze--I. Occurrence and significance of the fatty acids

Details Organic geochemistry of Walvis Bay diatomaceous ooze--I. Occurrence and significance of the fatty acids Organic geochemistry of Walvis Bay diatomaceous ooze--I. Occurrence and significance of the fatty acids

Nov 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975gecoa..39.1559b&link_type=abstract

Geochimica et Cosmochimica Acta, vol. 39, Issue 11, pp.1559-1565

Physics

7

Scientific paper

Diatomaceous ooze of the shelf off Walvis Bay (S.W. Africa) was analysed for lipid material. The lipids from the sediment consist of a mixture of hydrocarbons, alcohols, ketones, fatty acids, sterols, carotenoid pigments and chlorophylls. The total fatty acid mixture has been analysed by capillary gas chromatography mass spectrometry and shown to consist of straight chain, iso- , anteiso- and isoprenoid acids. The environmental setting of the S.W. African shelf (Walvis Bay) makes it possible to discuss these fatty acids as markers for the fate of organic matter. The acids in the sediment point to a generation during passage of algal lipids through levels of microbial activity either on or slightly above the burial surface.

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