Computer Science
Scientific paper
Aug 1973
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1973gecoa..37.1881a&link_type=abstract
Geochimica et Cosmochimica Acta, vol. 37, Issue 8, pp.1881-1898
Computer Science
3
Scientific paper
Fifteen sediment samples were studied from five drill sites recovered by the `Glomar Challenger' on Legs I and IV in the Gulf of Mexico and western Atlantic. This study concentrated on compounds derived from biogenic precursors, namely: (1) hydrocarbons, (2) fatty acids, (3) pigments and (4) amino acids. Carbon isotope ( C 13 ) data (values < - 26%, relative to PDB), long-chain n -alkyl hydrocarbons ( >>C 27 7) with odd carbon numbered molecules dominating even carbon numbered species, and presence of perylene proved useful as possible indicators for terrigenous contributions to the organic matter in some samples. Apparently land-derived organic matter can be transported for distances over 1000 km into the ocean and their source still recognized. The study was primarily designed to investigate: (i) the sources of the organic matter present in the sediment, (ii) their stability with time of accumulation and (iii) the conditions necessary for in situ formation of new compounds.
Aizenshtat Zeev
Baedecker Mary Jo
Kaplan Isaac R.
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