MinPlot: A mineral formula recalculation and plotting program for electron probe microanalysis

This is a Preprint and has not been peer reviewed. This is version 1 of this Preprint.

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Authors

Jesse B Walters

Abstract

MinPlot is a MATLAB®-based mineral formula recalculation and compositional plotting program for electron microprobe analyses (EPMA). The program offers recalculation and structural formula assignment for 15 different mineral groups: Garnet, pyroxene, olivine, amphibole, feldspar, mica, staurolite, cordierite, chlorite, chloritoid, talc, epidote, titanite, spinel, and sulfides. MinPlot is a fast and easy to use command line program and requires no prior computer programming knowledge. Percent mass fractions of oxides are loaded from datafiles and the user answers simple prompts to select mineral type, normalization scheme, and plotting options. Recalculated mineral formulas are automatically saved as output files and plots may be further manually customized by the user prior to saving. MinPlot can perform thousands of calculations in seconds and the modular nature of the program makes it simple to add new calculation routines in future releases. Finally, MinPlot utilizes simple matrix algebra and linear programing steps, and is thus anticipated to be forwards compatible with future releases of MATLAB®. Combined, these features make MinPlot a powerful and useful program for the processing of EPMA data.

DOI

https://doi.org/10.31223/X5F942

Subjects

Physical Sciences and Mathematics

Keywords

EPMA, mineral recalculation, plotting, Software, microprobe, Data analysis

Dates

Published: 2022-08-03 17:30

Last Updated: 2022-08-04 00:30

License

CC BY Attribution 4.0 International

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