Compositions of Primitive Magmas and Source Characteristics of the Hawaiian Plume: Constraints from Picritic Lavas

A poster presented to the 1997 Goldschmidt Conference (abstract), Tucson,

by Marc Norman and Mike Garcia

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Introduction

Olivine composition

Mg/Al/Ni mixing

Trace element melting models

Sm/Nd-Lu/Hf model

Sm/Nd-Zr/Nb model

La/Yb-Zr/Nb model

Correlation of endmembers and degree of melting

Endmembers

Recycled oceanic crust: maybe not

Mixing of slab melts