Quartz latite
Rock composed mostly of alkali feldspar and plagioclase / From Wikipedia, the free encyclopedia
A quartz latite is a volcanic rock or fine grained extrusive rock composed mostly of alkali feldspar and plagioclase with some quartz. It forms from the rapid cooling of magma of intermediate composition but moderately enriched in alkali metal oxides.
Quick Facts Composition ...
Volcanic rock | |
Composition | |
---|---|
Intermediate Major minerals: plagioclase, alkali feldspar, quartz |
Close
Quartz latite is intermediate between latite and rhyolite in its mineralogy.