Arkose and Hornfels Definition

Definition of Arkose and Hornfels

The general Arkose and Hornfels definition can be stated as: Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar. On the other hand, Hornfels is a metamorphic rock formed by the contact between mudstone or other clay rich rock, and a hot igneous body, and represents a heat altered equivalent of the original rock. Along with definition of Arkose and Hornfels, get to know about Properties of Arkose and Hornfels. Get to know more information about Arkose and Hornfels origin and discoverer, etymology and class.

History of Arkose and Hornfels

The history of Arkose and Hornfels 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 Hornfels Origin and Discoverer

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

Etymology of Arkose and Hornfels

Along with Arkose and Hornfels definition, know more about the etymology of Arkose and Hornfels. Etymology of Arkose and Hornfels gives information about origin and formation of a particular rock. Know more about Formation of Arkose and Formation of Hornfels. 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 Hornfels 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 Hornfels belongs to Metamorphic Rocks. The sub-class, group and other categories of Arkose and Hornfels are listed below.

For Arkose,

• Sub-class: Durable Rock and Hard Rock
• Group: Not applicable
• Other Categories: Coarse grained rock and Opaque rock

For Hornfels,

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