Gneiss and Mudstone Definition

Definition of Gneiss and Mudstone

The general Gneiss and Mudstone 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, Mudstone is a fine-grained, dark gray sedimentary rock, which is formed from silt and clay and is similar to shale but has less laminations. Along with definition of Gneiss and Mudstone, get to know about Properties of Gneiss and Mudstone. Get to know more information about Gneiss and Mudstone origin and discoverer, etymology and class.

History of Gneiss and Mudstone

The history of Gneiss and Mudstone 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 Mudstone Origin and Discoverer

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

Etymology of Gneiss and Mudstone

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

For Gneiss,

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

For Mudstone,

• Sub-class: Durable Rock and Soft Rock
• Group:
• Other Categories: Fine grained rock and Opaque rock