Chapter

Geochemical Modelling of Igneous Processes – Principles And Recipes in R Language

Part of the series Springer Geochemistry pp 105-124

Date:

Direct (dilute) Trace-Element Models

  • Vojtěch JanoušekAffiliated withCzech Geological Survey Email author 
  • , Jean-François MoyenAffiliated withUniversité Jean-Monnet
  • , Hervé MartinAffiliated withUniversité Blaise-Pascal
  • , Vojtěch ErbanAffiliated withCzech Geological Survey
  • , Colin FarrowAffiliated with

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Abstract

By combining the mass balance (Chap. 6) and partition coefficient (Chap. 10) concepts, it is possible to derive a range of laws that relate the trace-element composition of a melt to that of its source, the nature and proportion of solid phases (cumulate or restite), etc. Various laws are written to account for different situations (melting, crystallization, mixing; batch or fractional; etc.).