Fractionation of abyssal tholeiites: Samples from the oceanographer Fracture Zone (35°N, 35°W) |
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Authors: | T. Shibata P.J. Fox |
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Affiliation: | Department of Geological Sciences, State University of New York at Albany, Albany, N.Y. USA |
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Abstract: | Chemical analyses of 48 fresh abyssal tholeiite specimens sampled from two dredge localities clearly define systematic chemical differences which indicate a moderate iron-enrichment trend of fractionation oblique to the FeO*2O, P2O5 and TiO2. These results suggest that fractionation may be important in controlling the chemistry of abyssal tholeiites along sections of the mid-oceanic ridge. |
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