quartz-diorite

listen to the pronunciation of quartz-diorite
الإنجليزية - التركية
kuvars diyorit
الإنجليزية - الإنجليزية
any form of diorite containing appreciable amounts of quartz
(Jeoloji) Quartz diorite is an igneous, plutonic (intrusive) rock, of felsic composition, with phaneritic texture. Feldspar is present as plagioclase (typically oligoclase or andesine) with 10% or less potassium feldspar. Quartz is present at between 5 to 20% of the rock. Biotite, amphiboles and pyroxenes are common dark accessory minerals