The strontium isotopic composition of basalts from the East Pacific and Chile Rises and abyssal hills in the Eastern Pacific Ocean |
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| Authors: | K V Subbarao |
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| Institution: | (1) Institute of Marine Sciences, University of Alaska, College, 99701 Alaska, USA;(2) Present address: Department of Earth Sciences, University of Manitoba, Winnipeg, Canada |
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| Abstract: | Strontium isotopic differences between the basalts from the East Pacific and the Chile Rises (0.7026–0.7035, average 0.7028) and abyssal hills (0.7025–0.7037, average 0.7033) suggest that these are produced from different source materials. A progressive increase of K/Rb with decrease in Sr87/Sr86 ratio is interpreted in terms of relative depletion of dispersed elements in the source materials.Institute of Marine Sciences Contribution No. 163. |
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