This work examines the global distribution of Archaean and modern igneous rock's
compositions, without relying on preconceptions about the link between rock compositions …

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 …

Crustal recycling at convergent plate boundaries is essential to mantle heterogeneity.
However, crustal signatures in the mantle source of basaltic rocks above subduction zones …

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

Earth's mantle has a two-layered structure, with the upper and lower mantle domains
separated by a seismic discontinuity at about 660 km (refs.,). The extent of mass transfer …

Two geochemical proxies are particularly important for the identification and classification of
oceanic basalts: the Th–Nb proxy for crustal input and hence for demonstrating an oceanic …

We derive an estimate for the chemical composition of the depleted MORB mantle (DMM),
the source reservoir to mid-ocean ridge basalts (MORBs), which represents at least 30% the …

Tectonic or subduction erosion refers to the removal of upper-plate material from the forearc
at convergent margins. Subduction erosion has been suggested to represent a major …

The parameter μ describes the 238U/204Pb ratio of an Earth reservoir. Mantle domains
labeled HIMU (high μ) originally defined reservoirs with highly radiogenic Pb isotope ratios …

PRIMELT2. XLS software is introduced for calculating primary magma composition and
mantle potential temperature (TP) from an observed lava composition. It is an upgrade over …