Trachyte and Shale Definition

Definition of Trachyte and Shale

The general Trachyte and Shale definition can be stated as: Trachyte is a grey fine-grained volcanic rock which mainly consists of alkali feldspar. On the other hand, Shale is a fine-grained sedimentary rock which is formed by the compaction of silt and clay-size mineral particles. Along with definition of Trachyte and Shale, get to know about Properties of Trachyte and Shale. Get to know more information about Trachyte and Shale origin and discoverer, etymology and class.

History of Trachyte and Shale

The history of Trachyte and Shale 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 Shale Origin and Discoverer

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

Etymology of Trachyte and Shale

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

For Trachyte,

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

For Shale,

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