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Igpet software for modeling igneous processes: examples of application using the open educational version

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Abstract

We provide here an open version of Igpet software, called t-Igpet to emphasize its application for teaching and research in forward modeling of igneous geochemistry. There are three programs, a norm utility, a petrologic mixing program using least squares and Igpet, a graphics program that includes many forms of numerical modeling. Igpet is a multifaceted tool that provides the following basic capabilities: igneous rock identification using the IUGS (International Union of Geological Sciences) classification and several supplementary diagrams; tectonic discrimination diagrams; pseudo-quaternary projections; least squares fitting of lines, polynomials and hyperbolae; magma mixing using two endmembers, histograms, x-y plots, ternary plots and spider-diagrams. The advanced capabilities of Igpet are multi-element mixing and magma evolution modeling. Mixing models are particularly useful for understanding the isotopic variations in rock suites that evolved by mixing different sources. The important melting models include, batch melting, fractional melting and aggregated fractional melting. Crystallization models include equilibrium and fractional crystallization and AFC (assimilation and fractional crystallization). Theses, reports and proposals concerning igneous petrology are improved by numerical modeling. For reviewed publications some elements of modeling are practically a requirement. Our intention in providing this software is to facilitate improved communication and lower entry barriers to research, especially for students.

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Acknowledgments

Reviews by C. Herzberg, L. Moore, L. Whalen and W. Whalen are greatly appreciated.

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Authors and Affiliations

  1. Department of Geological Sciences, Rutgers University, 610 Taylor Road, Piscataway, NJ, 08854-8066, USA

    Michael J. Carr

  2. Department of Geosciences, Virginia Tech, Derring Hall (0420), Blacksburg, VA, 24061, USA

    Esteban Gazel

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  1. Michael J. Carr
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  2. Esteban Gazel
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Correspondence to Michael J. Carr.

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Editorial handling: Q. Li

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Carr, M.J., Gazel, E. Igpet software for modeling igneous processes: examples of application using the open educational version. Miner Petrol 111, 283–289 (2017). https://doi.org/10.1007/s00710-016-0473-z

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