The general Gneiss and Trachyte 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, Trachyte is a grey fine-grained volcanic rock which mainly consists of alkali feldspar. Along with definition of Gneiss and Trachyte, get to know about Properties of Gneiss and Trachyte. Get to know more information about Gneiss and Trachyte origin and discoverer, etymology and class.
The history of Gneiss and Trachyte 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 Trachyte definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Gneiss and Trachyte. In this section, you will know about Gneiss and Trachyte Origin and Discoverer. Origin of Gneiss and Trachyte are Unknown. It is interesting to know the name of Gneiss and Trachyte discoverer. The Discoverer of Gneiss is Unknown and the discoverer of Trachyte is Alexandre Brongniart and René Just Haüy.
Along with Gneiss and Trachyte definition, know more about the etymology of Gneiss and Trachyte. Etymology of Gneiss and Trachyte gives information about origin and formation of a particular rock. Know more about Formation of Gneiss and Formation of Trachyte. The etymology of Gneiss is From the Middle High German verb gneist (to spark; so called because the rock glitters) while that of Trachyte 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 Trachyte belongs to Igneous Rocks. The sub-class, group and other categories of Gneiss and Trachyte are listed below.
For Gneiss,
For Trachyte,