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Published February 7, 2022 | Version 1.0
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QAPF (Streckeisen) diagram template for Excel

Creators

  • 1. KIT

Description

The template will plot modal compositional data of igneous rocks into QAPF and triangular diagrams, including diagrams for mafic and ultramafic rocks, according to the USGS nomenclature. The sample data can be arranged in up to 10 groups that will be displayed with different symbols/colours in the diagrams.

Notes

Tested with Excel 2019 for Mac and Windows.

Files

Files (2.2 MB)

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md5:c3688063c9a1669894780b7434c1acec
2.2 MB Download

Additional details

References

  • A. Streckeisen (1976) Earth Sci. Rev. 12, 1–33
  • A. Streckeisen (1980) Geologische Rundschau 69, 194–207
  • R.W. Le Maitre (Ed.) Igneous Rocks – A Classification and Glossary of Terms, 2nd Edition, Cambridge University Press, Cambridge/UK