Geochemistry of highly depleted peridotites of the Mid-Atlantic Ridge, supplement to: Godard, Marguerite; Lagabrielle, Yves; Alard, Olivier; Harvey, Jason (2008): Geochemistry of the highly depleted peridotites drilled at ODP Sites 1272 and 1274 (Fifteen-Twenty Fracture Zone, Mid-Atlantic Ridge): Implications for mantle dynamics beneath a slow spreading ridge. Earth and Planetary Science Letters, 267(3-4), 410-425

Marguerite Godard, Yves Lagabrielle, Olivier Alard & Jason Harvey
During ODP Leg 209, a magma-starved area of the Mid-Atlantic Ridge (MAR) was drilled in the vicinity of the Fifteen-Twenty Fracture Zone (FZ) that offsets one of the slowest portions of the spreading ridge. We present here the results of a bulk rock multi-elemental study of 27 peridotites drilled at Sites 1272 and 1274 (to the south and the north of the FZ, respectively). The peridotites comprise mainly of harzburgites with minor dunites. Clinopyroxene (Cpx),...
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