Slate and Gneiss Definition

Definition of Slate and Gneiss

The general Slate and Gneiss definition can be stated as: Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism. 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 Slate and Gneiss, get to know about Properties of Slate and Gneiss. Get to know more information about Slate and Gneiss origin and discoverer, etymology and class.

History of Slate and Gneiss

The history of Slate 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.

Slate and Gneiss Origin and Discoverer

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

Etymology of Slate and Gneiss

Along with Slate and Gneiss definition, know more about the etymology of Slate and Gneiss. Etymology of Slate and Gneiss gives information about origin and formation of a particular rock. Know more about Formation of Slate and Formation of Gneiss. The etymology of Slate is From Old French esclate, from esclat (French éclat) while that of Gneiss is From Old French esclate, from esclat (French éclat). The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Slate and Gneiss belong to Metamorphic Rocks. The sub-class, group and other categories of Slate and Gneiss are listed below.

For Slate,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group:
• Other Categories: Fine 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