Arkose and Tuff Definition

Definition of Arkose and Tuff

The general Arkose and Tuff definition can be stated as: Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar. 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 Arkose and Tuff, get to know about Properties of Arkose and Tuff. Get to know more information about Arkose and Tuff origin and discoverer, etymology and class.

History of Arkose and Tuff

The history of Arkose 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.

Arkose and Tuff Origin and Discoverer

Arkose and Tuff definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Arkose and Tuff. In this section, you will know about Arkose and Tuff Origin and Discoverer. Origin of Arkose is France whereas Origin of Tuff is Italy. It is interesting to know the name of Arkose and Tuff discoverer. The Discoverer of Arkose is Alexandre Brongniart and the discoverer of Tuff is Unknown.

Etymology of Arkose and Tuff

Along with Arkose and Tuff definition, know more about the etymology of Arkose and Tuff. Etymology of Arkose and Tuff gives information about origin and formation of a particular rock. Know more about Formation of Arkose and Formation of Tuff. The etymology of Arkose is From Auvergne region of France used by a French geologist Alexandre Brongniart in 1826 who applied this term to some feldspathic sandstones while that of Tuff is From Auvergne region of France used by a French geologist Alexandre Brongniart in 1826 who applied this term to some feldspathic sandstones. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Arkose belongs to Sedimentary Rocks while Tuff belongs to Igneous Rocks. The sub-class, group and other categories of Arkose and Tuff are listed below.

For Arkose,

• Sub-class: Durable Rock and Hard Rock
• Group:
• Other Categories: Coarse 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