Trachyte and Greywacke Definition

Definition of Trachyte and Greywacke

The general Trachyte and Greywacke definition can be stated as: Trachyte is a grey fine-grained volcanic rock which mainly consists of alkali feldspar. On the other hand, Greywacke is defined as a dark coarse-grained sandstone rock which contains more than 15 per cent clay. Along with definition of Trachyte and Greywacke, get to know about Properties of Trachyte and Greywacke. Get to know more information about Trachyte and Greywacke origin and discoverer, etymology and class.

History of Trachyte and Greywacke

The history of Trachyte and Greywacke 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.

Trachyte and Greywacke Origin and Discoverer

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

Etymology of Trachyte and Greywacke

Along with Trachyte and Greywacke definition, know more about the etymology of Trachyte and Greywacke. Etymology of Trachyte and Greywacke gives information about origin and formation of a particular rock. Know more about Formation of Trachyte and Formation of Greywacke. The etymology of Trachyte is From Greek trakhus rough’ or trakhutēs roughness while that of Greywacke is From Greek trakhus rough’ or trakhutēs roughness. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Trachyte belongs to Igneous Rocks while Greywacke belongs to Sedimentary Rocks. The sub-class, group and other categories of Trachyte and Greywacke are listed below.

For Trachyte,

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

For Greywacke,

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