Greywacke and Cataclasite Definition

Definition of Greywacke and Cataclasite

The general Greywacke and Cataclasite 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, Cataclasite is a type of cataclastic rock that is formed by fracturing and comminution during faulting. It is normally cohesive and non-foliated, consisting of angular clasts in a finer-grained matrix. Along with definition of Greywacke and Cataclasite, get to know about Properties of Greywacke and Cataclasite. Get to know more information about Greywacke and Cataclasite origin and discoverer, etymology and class.

History of Greywacke and Cataclasite

The history of Greywacke and Cataclasite 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 Cataclasite Origin and Discoverer

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

Etymology of Greywacke and Cataclasite

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

For Greywacke,

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

For Cataclasite,

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