Greywacke and Granite Definition

Definition of Greywacke and Granite

The general Greywacke and Granite 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, Granite is a very hard, granular, crystalline igneous rock which consists mainly of quartz, mica, and feldspar and is often used as building stone. Along with definition of Greywacke and Granite, get to know about Properties of Greywacke and Granite. Get to know more information about Greywacke and Granite origin and discoverer, etymology and class.

History of Greywacke and Granite

The history of Greywacke and Granite 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 Granite Origin and Discoverer

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

Etymology of Greywacke and Granite

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

For Greywacke,

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

For Granite,

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