Greywacke and Norite Definition

Definition of Greywacke and Norite

The general Greywacke and Norite 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, Norite is a mafic intrusive igneous rock composed largely of the calcium-rich plagioclase labradorite, orthopyroxene, and olivine. Along with definition of Greywacke and Norite, get to know about Properties of Greywacke and Norite. Get to know more information about Greywacke and Norite origin and discoverer, etymology and class.

History of Greywacke and Norite

The history of Greywacke and Norite 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 Norite Origin and Discoverer

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

Etymology of Greywacke and Norite

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

For Greywacke,

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

For Norite,

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