Abstract
The distribution and composition of four benthic foraminifera assemblages from the Guaymas Basin are depicted through Q- and R-mode Factor Analysis. One of these assemblages is distributed near hydrothermal vents,* another developed away from the influence of the vents, and the other two assemblages are found in the subbottom sediments.
Biostratigraphic analysis of five cores collected within the hydrothermal region suggest that the foraminiferal remains have been affected by aselective dissolution process. Only small species, such asBulimina spinosa andBolivina sp “2”, have been preserved in the subbottom sediments which have been influenced by the hydrothermal activity.
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Molina-Cruz, A., Ayala-López, A. Influence of the hydrothermal vents on the distribution of benthic foraminifera from the Guaymas Basin, Mexico. Geo-Marine Letters 8, 49–56 (1988). https://doi.org/10.1007/BF02238006
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DOI: https://doi.org/10.1007/BF02238006