Abyssal peridotites are ultramafic rocks collected from mid-ocean ridges that are the
residues of adiabatic decompression melting. Their compositions provide information on the …

Ubiquitous heterogeneity in the Earth's mantle has been documented by numerous
chemical and isotopic analyses of oceanic basalts. Despite the ever-increasing amount of …

This textbook is a complete rewrite, and expansion of Hugh Rollinson's highly successful
1993 book Using Geochemical Data: Evaluation, Presentation, Interpretation. Rollinson and …

Since the early 1950s, the number of international measurement standards for anchoring
stable isotope delta scales has mushroomed from 3 to more than 30, expanding to more …

When Harry Hess first proposed the theory of seafloor spreading, he imagined that mantle
peridotite upwelling at midocean ridges reacted with water to form a serpentinite oceanic …

Core–mantle differentiation is the largest event experienced by a growing planet during its
early history. Terrestrial core segregation imprinted the residual mantle composition by …

The origin of enriched mantle (EM) sources remains an unsolved problem for constraining
the composition and chemical evolution of the Earth's mantle, because a wealth of different …

The Earth's mantle beneath ocean ridges is widely thought to be depleted by previous melt
extraction, but well homogenized by convective stirring. This inference of homogeneity has …

Since the first application of the 187Re–187Os isotope system to determine the timing of
melt extraction from peridotites twenty years ago, a plethora of studies have demonstrated its …

Tholeiites occur in a variety of geological settings, eg, mid-ocean ridge, back-arc basin,
ocean island, island arc and intra-continent, and their geochemical and isotopic …