Sr isotopic variations along the Juan de Fuca Ridge.

Journal of Geophysical Research
By: , and 


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The Sr isotopic ratios of 39 glass and microcrystalline basalt samples along the Juan de Fuca Ridge and one glass sample from Brown Bear Seamount are at the lower end of the range for normal MORB; the average 87Sr/86Sr ratio is 0.70249 + or - 0.00014 (2sigma ). Although subtle variations exist along the strike of the ridge, the Sr isotopic data do not show systematic variation relative to the proposed Cobb hotspot. The isotopic data are inconsistent with an enriched mantle-plume origin for the Cobb-Eikelberg Seamount chain.-W.H.B.

Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Sr isotopic variations along the Juan de Fuca Ridge.
Series title Journal of Geophysical Research
Volume 89
Issue B9
Year Published 1984
Language English
Larger Work Type Article
Larger Work Subtype Journal Article
Larger Work Title Journal of Geophysical Research
First page 7883
Last page 7890
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