Organic geochemistry from different DSDP Holes in the subtropical South Atlantic Ocean

Keswani, Sushiel R; Dunham, Keith W; Meyers, Philip A

doi:10.1594/pangaea.761244

1984

DOI: 10.1594/pangaea.761244

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Organic geochemistry from different DSDP Holes in the subtropical South Atlantic Ocean

Sushiel R Keswani¹,

Keith W Dunham²,

Philip A Meyers³

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1984

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Organic geochemistry of late Cenozoic sediments from the subtropical South Atlantic Ocean

Keswani¹,

Dunham²,

Meyers³

1984

Marine Geology

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Organic matter has been characterized in samples of Pleistocene, Pliocene, and Miocene sediments from seven Deep Sea Drilling Project sites in the subtropical South Atlantic Ocean. Organic carbon concentrations average 0.3% for most samples, and n-alkanoic acid, n-alkanol, and alkane biomarkers indicate extensive microbial reworking of organic matter in these organic-carbon-lean sediments. Samples from the easternmost parts of the South Atlantic contain an average of 4.1% organic carbon and reflect the high productivity associated with the Benguela Current. Lipid biomarkers show less microbial reworking in these sediments. Eolian transport of land-derived hydrocarbons is evident at most of these oceanic locations.

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Organic geochemistry of late Cenozoic sediments from the subtropical South Atlantic Ocean

Keswani¹,

Dunham²,

Meyers³

1984

Marine Geology

View full text Add to dashboard Cite

show abstract

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Organic geochemistry from different DSDP Holes in the subtropical South Atlantic Ocean

Cited by 1 publication

References 0 publications

Organic geochemistry of late Cenozoic sediments from the subtropical South Atlantic Ocean

Organic geochemistry of late Cenozoic sediments from the subtropical South Atlantic Ocean

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