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Filtering by: Alternative title ssim EC 1238 Has journal sim Geochemistry, Geophysics, Geosystems

Spatial and temporal distribution of a C-like asthenoshpheric component in the Rano Rahi Seamount Field, East Pacific Rise, 15°-19°S

Creator:

Hall, L. S., Mahoney, J. J., Sinton, J. M., and Duncan, Robert A.

Abstract:

Lavas of the Rano Rahi seamount field define a Nd-Pb-Sr isotopic array that connects, and substantially overlaps, the arrays of the nearby East Pacific Rise axis and 5.6–28 Ma lavas of the Pukapuka ridge system, situated between the seamount field and French Polynesia. Dating of Rano Rahi samples by ⁴⁰Ar-³⁹Ar...

Resource Type:

Article

Full Text:

s) fo r m o st el em en ts an d ± 1 3 – 2 0 % fo r T a, T h , an d U . R ec o m m en d ed (r ec