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The free lipids of two samples from the Californian Continental Borderland, DSDP Site 467, have been investigated. The study of these two samples (one a Recent, shallow sample, situated near the sediment surface and the other a middle Miocene, much deeper sample, situated near the bottom of the hole) revealed differences in their lipid assemblages, thus providing some evaluation of the maturity and diagenetic trends operating at this site. The organic matter represents both a marine and a terrestrial input. Oxygenated components, such as sterols, n-alkanols, and very long chain ketones, were abundant, along with chlorins in the Recent sample. Hydrocarbons and nickel (II) porphyrins were abundant in the Miocene sample. A minor epigenetic contribution to the Recent sample was apparent.

Preliminary Lipid Analyses of Sediments from Sections 467-3-3 and 467-97-2