GEMS Tutorials

Start with the tutorial pdf files for instructions, and copy each of the tutorial file folders to your gems project library folder (Library\Gems3\projects). You will need to have the latest GEM-Selektor installed.


Tutorial Project Files

Alexander Gysi

Assistant Professor, Lithogeochemistry
Department of Geology and Geological Engineering
1516 Illinois Street
Colorado School of Mines
Golden, CO 80401

GEMS code package

The GEMS code package provides a free versatile geochemical tool taking advantage of modern computational methods and the Gibbs energy minimization (GEM) method. The core of GEMS includes the GEMS3K numerical kernel capable of solving fluid-rock equilibria problems at elevated temperatures and pressures in highly non-ideal systems. GEMS3K is a chemical equilibrium speciation solver for modeling multiphase-multicomponent geochemical equilibria using the GEM algorithm, with a built-in selection of activity models and equations of state in the TSolMod class library. This library includes a comprehensive selection of fluid, gas, liquid, and solid solution models of interest for geochemical, petrological, material science, and chemical engineering applications. The GEMS3K kernel is also implemented in the GEMSFITS code for parameter optimization of internally consistent databases, and in the user friendly program GEM-Selektor v.3.3.


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