Greywacke and Breccia Definition

Definition of Greywacke and Breccia

The general Greywacke and Breccia 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, Breccia is a rock consisting of angular fragments of stones which are cemented by finer calcareous material. Along with definition of Greywacke and Breccia, get to know about Properties of Greywacke and Breccia. Get to know more information about Greywacke and Breccia origin and discoverer, etymology and class.

History of Greywacke and Breccia

The history of Greywacke and Breccia 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 Breccia Origin and Discoverer

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

Etymology of Greywacke and Breccia

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

For Greywacke,

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

For Breccia,

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