Diorite (/ˈdaɪ.əraɪt/ DY-ə-ryte) is an intrusive igneous rock formed by the slow cooling underground of magma (molten rock) that has a moderate content...

Quartz diorite is an igneous, plutonic (intrusive) rock, of felsic composition, with phaneritic texture. Feldspar is present as plagioclase (typically...

Diorite Peak is a 12,761-foot-elevation (3,890-meter) mountain summit on the common boundary shared by La Plata County and Montezuma County in Colorado...

Nepheline-bearing diorite is an intrusive rock with a composition intermediate between diorite and nepheline diorite. It is defined in the QAPF classification...

Diorite is an unincorporated community in Marquette County in the U.S. state of Michigan. The community is located within Ely Township. As an unincorporated...

the more costly exotic diorite was used. Unlike the local stone, diorite is extremely hard, and so difficult to carve. Diorite had already been used by...

cultural landmark in the otherwise flat diorite/tonalite landscape of Aruba. This flat landscape evolved through diorite erosion (denuded) to a relatively low...

is sometimes used informally for various rocks ranging from granite to diorite, including granodiorite. According to the QAPF diagram, granodiorite has...

monzonite pluton lies west and north of the older quartz diorite, a Cretaceous (?) quartz diorite pluton lies to the east. A high angle east-west fault passing...

felsic or intermediate rock types, such as granite, quartz monzonite, or diorite (see also granite dome). Although they may appear uniform, batholiths are...