DISTRIBUTIONS OF N-ALKAN-2-ONES IN QUATERNARY PALEOSOLS INDICATIVE OF PALEOCLIMATE CHANGES

Alkan-2-ones were absent in most organisms but found in a variety of sediments i n the Earth history.These fatty compounds are believed to be formed via the mic robial oxidation of n-alkanes and n-alkanoic acids during pedogenesis/diagenesis.As such,the n-alkan-2-ones identified in sediments were less employed to trac e the global change in comparison with n-alkanes and n-alkanoic acids directly c ontributed by higher plants.Here we present the distributions of n-alkan-2-ones in a Pleistocene rubified paleo...

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P532