Diorite and Syenite Definition

Definition of Diorite and Syenite

The general Diorite and Syenite definition can be stated as: Diorite is a grey to dark-grey intermediate intrusive igneous rock composed principally of plagioclase feldspar,biotite, hornblende, and pyroxene. On the other hand, Syenite is a coarse-grained igneous rock which is composed mainly of alkali feldspar and various ferromagnesian minerals. Along with definition of Diorite and Syenite, get to know about Properties of Diorite and Syenite. Get to know more information about Diorite and Syenite origin and discoverer, etymology and class.

History of Diorite and Syenite

The history of Diorite and Syenite gives information about where the rock was found and who was its discoverer. Almost each and every aspect of Earth's history is recorded in rocks be it the volcanoes which were erupted or the plants, animals and organisms which are now extinct, as rocks are present from millions of years.

Diorite and Syenite Origin and Discoverer

Diorite and Syenite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Diorite and Syenite. In this section, you will know about Diorite and Syenite Origin and Discoverer. Origin of Diorite and Syenite are Unknown. It is interesting to know the name of Diorite and Syenite discoverer. The discoverer of Diorite and Syenite are Unknown.

Etymology of Diorite and Syenite

Along with Diorite and Syenite definition, know more about the etymology of Diorite and Syenite. Etymology of Diorite and Syenite gives information about origin and formation of a particular rock. Know more about Formation of Diorite and Formation of Syenite. The etymology of Diorite is From early 19th century coined in French, formed irregularly from Greek diorizein distinguish while that of Syenite is From early 19th century coined in French, formed irregularly from Greek diorizein distinguish. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Diorite and Syenite belong to Igneous Rocks. The sub-class, group and other categories of Diorite and Syenite are listed below.

For Diorite,

• Sub-class: Durable Rock and Hard Rock
• Group: Plutonic
• Other Categories: Coarse grained rock, Medium grained rock and Opaque rock

For Syenite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Plutonic
• Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock