Greywacke and Trachyandesite Definition

Definition of Greywacke and Trachyandesite

The general Greywacke and Trachyandesite 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, Trachyandesite is an extrusive igneous rock.. Along with definition of Greywacke and Trachyandesite, get to know about Properties of Greywacke and Trachyandesite. Get to know more information about Greywacke and Trachyandesite origin and discoverer, etymology and class.

History of Greywacke and Trachyandesite

The history of Greywacke and Trachyandesite 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 Trachyandesite Origin and Discoverer

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

Etymology of Greywacke and Trachyandesite

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

For Greywacke,

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

For Trachyandesite,

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