Volatile Components, Magmas, and Critical Fluids in Upwelling Mantle

Reactive Melt Transport in the Mantle and Geochemical Signatures of Mantle-derived Magmas

predicted effects, but more complete sample suites yielding detailed Modeling of equilibrium reactive melt transport in the mantle, temporal–compositional variations of clearly cogenetic lavas are including the effects of mineralogic reactions and changes in porosity needed to test the petrogenetic significance of reactive melt transport in the solid matrix, provides a series of robust predicti...

Crust - Mantle Differentiation Copper Systematics in Arc Magmas

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Mobilizing aluminum in crustal and mantle fluids

Aluminum is a major rock-forming element, but its low solubility in H2O at upper crustal conditions has led to the assumption that it is effectively immobile during fluid–rock interaction in the deep crust and upper mantle. However, new experimental results on Al solubility in H2O–SiO2–NaCl fluids at high pressure and temperature challenge this view. The combined effects of temperature, pressur...

Continuous eclogite melting and variable refertilisation in upwelling heterogeneous mantle

Large-scale tectonic processes introduce a range of crustal lithologies into the Earth's mantle. These lithologies have been implicated as sources of compositional heterogeneity in mantle-derived magmas. The model being explored here assumes the presence of widely dispersed fragments of residual eclogite (derived from recycled oceanic crust), stretched and stirred by convection in the mantle. H...

Deep mantle plumes and convective upwelling beneath the Pacific Ocean