Greywacke and Anorthosite Definition

Definition of Greywacke and Anorthosite

The general Greywacke and Anorthosite 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, Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase. Along with definition of Greywacke and Anorthosite, get to know about Properties of Greywacke and Anorthosite. Get to know more information about Greywacke and Anorthosite origin and discoverer, etymology and class.

History of Greywacke and Anorthosite

The history of Greywacke and Anorthosite 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 Anorthosite Origin and Discoverer

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

Etymology of Greywacke and Anorthosite

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

For Greywacke,

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

For Anorthosite,

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