Gneiss and Granodiorite Definition

Definition of Gneiss and Granodiorite

The general Gneiss and Granodiorite definition can be stated as: Gneiss is a common and widely distributed type of rock formed by high-grade regional metamorphic processes from pre-existing formations that were originally either igneous or sedimentary rocks. On the other hand, Granodiorite is a coarse-grained intrusive igneous rock containing quartz and plagioclase, and which has composition in between granite and diorite. Along with definition of Gneiss and Granodiorite, get to know about Properties of Gneiss and Granodiorite. Get to know more information about Gneiss and Granodiorite origin and discoverer, etymology and class.

History of Gneiss and Granodiorite

The history of Gneiss and Granodiorite 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.

Gneiss and Granodiorite Origin and Discoverer

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

Etymology of Gneiss and Granodiorite

Along with Gneiss and Granodiorite definition, know more about the etymology of Gneiss and Granodiorite. Etymology of Gneiss and Granodiorite gives information about origin and formation of a particular rock. Know more about Formation of Gneiss and Formation of Granodiorite. The etymology of Gneiss is From the Middle High German verb gneist (to spark; so called because the rock glitters) while that of Granodiorite is From the Middle High German verb gneist (to spark; so called because the rock glitters). The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Gneiss belongs to Metamorphic Rocks while Granodiorite belongs to Igneous Rocks. The sub-class, group and other categories of Gneiss and Granodiorite are listed below.

For Gneiss,

• Sub-class: Durable Rock and Hard Rock
• Group: Not applicable
• Other Categories: Coarse grained rock, Medium grained rock and Opaque rock

For Granodiorite,

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