Information - GMPV18 The Role of Accessory Minerals in Metamorphic and Igneous Processes
Silicate, phosphate, oxide, and sulphide accessory minerals
play an important role in helping to decipher the chemical evolution of
rocks over time. They can act both as indicators of chemical states
such fugacity or activity as well as allowing for the dating of
metasomatic events. In addition they also act as repositories for
various element groups such as the (Y+REE) and the actinides. The goal
of this session is to bring together geochemists, petrologists, and
mineralogists to discuss the most recent advances with regard accessory
mineral research as well as relate this research to current general
questions in geology such as how subducting slabs evolve and dehydrate
as a function of P-T, the chemical and physical nature of the
lithospheric mantle beneath the continents, the role of fluids during
metamorphism and mineral equilibration, and the role of fluids in mass
transfer in both the lower crust and upper mantle.
Preliminary List of Solicited Speakers
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