Andesite and Trachyte Definition

Definition of Andesite and Trachyte

The general Andesite and Trachyte definition can be stated as: Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava. On the other hand, Trachyte is a grey fine-grained volcanic rock which mainly consists of alkali feldspar. Along with definition of Andesite and Trachyte, get to know about Properties of Andesite and Trachyte. Get to know more information about Andesite and Trachyte origin and discoverer, etymology and class.

History of Andesite and Trachyte

The history of Andesite 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.

Andesite and Trachyte Origin and Discoverer

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

Etymology of Andesite and Trachyte

Along with Andesite and Trachyte definition, know more about the etymology of Andesite and Trachyte. Etymology of Andesite and Trachyte gives information about origin and formation of a particular rock. Know more about Formation of Andesite and Formation of Trachyte. The etymology of Andesite is From Andes mountains, where it is found in abundance while that of Trachyte is From Andes mountains, where it is found in abundance. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Andesite and Trachyte belong to Igneous Rocks. The sub-class, group and other categories of Andesite and Trachyte are listed below.

For Andesite,

• Sub-class: Durable Rock and Hard Rock
• Group: Volcanic
• 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