Gneiss and Gritstone Definition

Definition of Gneiss and Gritstone

The general Gneiss and Gritstone 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, Gritstone or grit is a hard, coarse-grained, siliceous sandstone. Along with definition of Gneiss and Gritstone, get to know about Properties of Gneiss and Gritstone. Get to know more information about Gneiss and Gritstone origin and discoverer, etymology and class.

History of Gneiss and Gritstone

The history of Gneiss and Gritstone 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 Gritstone Origin and Discoverer

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

Etymology of Gneiss and Gritstone

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

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