A detailed analysis was made of living and death assemblage abundances of benthic foraminiferal species in the top 10 cm of three high quality box cores from the Gulf of Mexico (water depth=1170, 1050, and 1020 m). These data, combined with sedimentological studies and analysis of the biotic activity in the sediments (using Pb-210 profiles), were used to examine the processes controlling the transformation of living to fossil assemblages. These results have implications for the paleoceanic interpretation of benthic foraminiferal assemblage and isotopic data
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Loubere et al. (1990) studied this question.