English: The AFM diagram, a ternary diagram between the Alkali, Fe, and Mg oxides used to distinguish the calc-alkaline magma series from the tholeiitic magma series. Key/Legend: A–alkali (sodium and potassium) oxides, F–iron oxides, M–magnesium oxide, BT–tholeiitic basalt, FB–ferro-basalt, ABT–tholeiitic basaltic andesite, AT–tholeiitic andesite, D–dacite, R–rhyolite, B–basalt, AB–basaltic andesite, A–andesite; dashed line–boundary between tholeiitic and calc-alkaline compositions.
Italiano: Diagramma AFM per la classificazione delle serie subalcaline.
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This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: removal of some path text, more language-neutral text. The original can be viewed here: AFM diagram.svg: . Modifications made by Incnis Mrsi.
== {{int:filedesc}} == {{Information |Description={{en|The AFM diagram, a ternary diagram between the Alkali, Fe, and Mg oxides used to distinguish the calc-alkaline magma series from the [[:en:tholeiitic|t...