Template talk:Igneous rocks

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Including other igneous rocks[edit]

How is someone supposed to add other igneous rocks in this template that have different percentages of silica content? For example, the trachyte article says this volcanic rock has 60 to 65% silica. This would overlap with the intermediate (52–63% SiO2) and intermediate-felsic (63–69% SiO2) parameters. The template should be more organized to include all igneous rock types, not just a few of them. Volcanoguy 10:05, 22 December 2012 (UTC)