Greywacke and Greenschist Definition

Definition of Greywacke and Greenschist

The general Greywacke and Greenschist definition can be stated as: Greywacke is defined as a dark coarse-grained sandstone rock which contains more than 15 per cent clay. On the other hand, Greenschist is a metamorphic rock that is formed under lowest temperatures and pressures and is usually produced by regional metamorphism. Along with definition of Greywacke and Greenschist, get to know about Properties of Greywacke and Greenschist. Get to know more information about Greywacke and Greenschist origin and discoverer, etymology and class.

History of Greywacke and Greenschist

The history of Greywacke and Greenschist 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.

Greywacke and Greenschist Origin and Discoverer

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

Etymology of Greywacke and Greenschist

Along with Greywacke and Greenschist definition, know more about the etymology of Greywacke and Greenschist. Etymology of Greywacke and Greenschist gives information about origin and formation of a particular rock. Know more about Formation of Greywacke and Formation of Greenschist. The etymology of Greywacke is From German Grauwacke, from grau grey + wacke while that of Greenschist is From German Grauwacke, from grau grey + wacke. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Greywacke belongs to Sedimentary Rocks while Greenschist belongs to Metamorphic Rocks. The sub-class, group and other categories of Greywacke and Greenschist are listed below.

For Greywacke,

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

For Greenschist,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Not applicable
• Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock