Slate and Trachyte Definition

Definition of Slate and Trachyte

The general Slate and Trachyte definition can be stated as: Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism. On the other hand, Trachyte is a grey fine-grained volcanic rock which mainly consists of alkali feldspar. Along with definition of Slate and Trachyte, get to know about Properties of Slate and Trachyte. Get to know more information about Slate and Trachyte origin and discoverer, etymology and class.

History of Slate and Trachyte

The history of Slate and Trachyte 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.

Slate and Trachyte Origin and Discoverer

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

Etymology of Slate and Trachyte

Along with Slate and Trachyte definition, know more about the etymology of Slate and Trachyte. Etymology of Slate and Trachyte gives information about origin and formation of a particular rock. Know more about Formation of Slate and Formation of Trachyte. The etymology of Slate is From Old French esclate, from esclat (French éclat) while that of Trachyte is From Old French esclate, from esclat (French éclat). The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Slate belongs to Metamorphic Rocks while Trachyte belongs to Igneous Rocks. The sub-class, group and other categories of Slate and Trachyte are listed below.

For Slate,

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

For Trachyte,

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