Schist and Gneiss Definition

Definition of Schist and Gneiss

The general Schist and Gneiss definition can be stated as: Schist is a medium grade metamorphic rock with medium to large, flat, sheet like grains in a preferred orientation. On the other hand, 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. Along with definition of Schist and Gneiss, get to know about Properties of Schist and Gneiss. Get to know more information about Schist and Gneiss origin and discoverer, etymology and class.

History of Schist and Gneiss

The history of Schist and Gneiss 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.

Schist and Gneiss Origin and Discoverer

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

Etymology of Schist and Gneiss

Along with Schist and Gneiss definition, know more about the etymology of Schist and Gneiss. Etymology of Schist and Gneiss gives information about origin and formation of a particular rock. Know more about Formation of Schist and Formation of Gneiss. The etymology of Schist is From French schiste, Greek skhistos i.e. split while that of Gneiss is From French schiste, Greek skhistos i.e. split. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Schist and Gneiss belong to Metamorphic Rocks. The sub-class, group and other categories of Schist and Gneiss are listed below.

For Schist,

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

For Gneiss,

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