Materials
Syenite
Igneous Rocks
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Syenite is a coarse-grained intrusive igneous rock with a general composition similar to granite but deficient in quartz, present at no more than five percent if at all, and is considered a granitoid. Its extrusive equivalent is trachyte.
Facts
Formation ClassIgneous, intrusive (coarse-grained, compositionally similar to granite but deficient in quartz) 1 Cross-Tradition Connections
Associated With
Corundum's own page names low-silica syenite intrusives as an igneous occurrence.
In Discipline
Sources
1. Syenite (Wikipedia)
Wikimedia FoundationLead sectionQuote, Lead section
The extrusive equivalent of syenite is trachyte.
Corundum (Wikipedia)
Wikimedia FoundationAssociated With: Corundum, Occurrence sectionQuote, Associated With: Corundum, Occurrence section
It also occurs in low-silica igneous syenite and nepheline syenite intrusives.
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