The general Gneiss and Nepheline Syenite 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, Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz. Along with definition of Gneiss and Nepheline Syenite, get to know about Properties of Gneiss and Nepheline Syenite. Get to know more information about Gneiss and Nepheline Syenite origin and discoverer, etymology and class.
The history of Gneiss and Nepheline 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.
Gneiss and Nepheline Syenite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Gneiss and Nepheline Syenite. In this section, you will know about Gneiss and Nepheline Syenite Origin and Discoverer. Origin of Gneiss and Nepheline Syenite are Unknown. It is interesting to know the name of Gneiss and Nepheline Syenite discoverer. The discoverer of Gneiss and Nepheline Syenite are Unknown.
Along with Gneiss and Nepheline Syenite definition, know more about the etymology of Gneiss and Nepheline Syenite. Etymology of Gneiss and Nepheline Syenite gives information about origin and formation of a particular rock. Know more about Formation of Gneiss and Formation of Nepheline Syenite. The etymology of Gneiss is From the Middle High German verb gneist (to spark; so called because the rock glitters) while that of Nepheline Syenite 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 Nepheline Syenite belongs to Igneous Rocks. The sub-class, group and other categories of Gneiss and Nepheline Syenite are listed below.
For Gneiss,
For Nepheline Syenite,