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. This description is adapted from Wikipedia contributors under CC BY-SA 4.0; changes were made. https://creativecommons.org/licenses/by-sa/4.0/
Facts
Formation ClassIgneous, intrusive (coarse-grained, compositionally similar to granite but deficient in quartz) 1 Classification
Classification UseSculpture and Ornamental 1 Connections
Associated With
Source Ben Loyal (Wikipedia)
Corundum's own page names low-silica syenite intrusives as an igneous occurrence.
Source Corundum (Wikipedia)
Source Rib Mountain (Wikipedia)
Classified As
In Discipline
Sources
1. Syenite (Wikipedia)
Wikimedia FoundationLead section
The extrusive equivalent of syenite is trachyte.
Uses
Syenite rock was used to make the Quay with Sphinxes.
Lead section
Syenite is a coarse-grained intrusive igneous rock with a general composition similar to that of granite, but deficient in quartz, which, if present at all, occurs in relatively small concentrations (< 5%). It is considered a granitoid.
View the Source Wikidata: Syenite
Wikidata Q329118
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.
Rib Mountain (Wikipedia)
Associated With: Rib Mountain, Lead paragraphQuote, Associated With: Rib Mountain, Lead paragraph
Composed of quartzite covered with a softer syenite sheath, it was intruded about 1.5 billion years ago.
Ben Loyal (Wikipedia)
Associated With: Ben Loyal, Lead paragraphQuote, Associated With: Ben Loyal, Lead paragraph
Ben Loyal is composed chiefly of granite, specifically syenite, and has a distinctive shape due to the four rocky peaks, the highest of which is called An Caisteal.
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