Andesite and Tuff Definition

Definition of Andesite and Tuff

The general Andesite and Tuff 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, Tuff is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption. Along with definition of Andesite and Tuff, get to know about Properties of Andesite and Tuff. Get to know more information about Andesite and Tuff origin and discoverer, etymology and class.

History of Andesite and Tuff

The history of Andesite and Tuff 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 Tuff Origin and Discoverer

Andesite and Tuff definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Andesite and Tuff. In this section, you will know about Andesite and Tuff Origin and Discoverer. Origin of Andesite is North America whereas Origin of Tuff is Italy. It is interesting to know the name of Andesite and Tuff discoverer. The Discoverer of Andesite is Theodor von Gümbel and the discoverer of Tuff is Unknown.

Etymology of Andesite and Tuff

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

For Andesite,

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

For Tuff,

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