The maximum potential temperature of the Archaean mantle is poorly known, and is best
constrained by the MgO contents of komatiitic liquids, which are directly related to eruptive …

Experimental phase equilibrium studies at pressures ranging from 1 atm to 10 GPa are
sufficient to constrain the origin of igneous rocks formed along oceanic ridges and in …

Using Geochemical Data: Evaluation, Presentation, Interpretation Page 1 Page 2 Using
Geochemical Data: Evaluation, Presentation, Interpretation Page 3 Other titles in the series An …

Melting experiments on fertile peridotite KR4003, a 'pyrolitic'composition, were made from 3
to 7 GPa in piston-cylinder and multi-anvil apparatus. Temperature gradients across the …

Boninites are rare, high-Si, high-Mg, low-Ti lavas that have considerable tectonic
significance, especially for recognizing and interpreting episodes of subduction initiation in …

Several methods have been developed to assess the thermal state of the mantle below
oceanic ridges, islands, and plateaus, on the basis of the petrology and geochemistry of …

We have compiled a record of the geochronology of mantle plume activity between 3.8 and
1.6 Ga. Over this time period, the ages of komatiites, and those of global plumes, correlate …

The Itsaq Gneiss Complex of southern West Greenland contains the best-preserved
occurrences of⩾ 3600 Ma crust. Its known area is∼ 3000 km2 with almost continuous …

Systematic differences are observed in the petrology and major element geochemistry of
natural peridotite samples from the sea floor near oceanic ridges and subduction zones, the …

The MgO content of komatiite lavas is an important measure of their formation temperature
deep in the Archaean mantle, and forms the basis for models of the early Earth's thermal and …