Gneiss and Kenyte Definition

Definition of Gneiss and Kenyte

The general Gneiss and Kenyte 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, Kenyte is a variety of porphyritic phonolite or trachyte rock with rhomb shaped phenocrysts of anorthoclase with variable olivine and augite in a glassy matrix. Along with definition of Gneiss and Kenyte, get to know about Properties of Gneiss and Kenyte. Get to know more information about Gneiss and Kenyte origin and discoverer, etymology and class.

History of Gneiss and Kenyte

The history of Gneiss and Kenyte 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 Kenyte Origin and Discoverer

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

Etymology of Gneiss and Kenyte

Along with Gneiss and Kenyte definition, know more about the etymology of Gneiss and Kenyte. Etymology of Gneiss and Kenyte gives information about origin and formation of a particular rock. Know more about Formation of Gneiss and Formation of Kenyte. The etymology of Gneiss is From the Middle High German verb gneist (to spark; so called because the rock glitters) while that of Kenyte 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 Kenyte belongs to Igneous Rocks. The sub-class, group and other categories of Gneiss and Kenyte 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 Kenyte,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Not applicable
• Other Categories: Fine grained rock and Opaque rock