Hornfels and Phonolite Definition

Definition of Hornfels and Phonolite

The general Hornfels and Phonolite definition can be stated as: 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. On the other hand, Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic. Along with definition of Hornfels and Phonolite, get to know about Properties of Hornfels and Phonolite. Get to know more information about Hornfels and Phonolite origin and discoverer, etymology and class.

History of Hornfels and Phonolite

The history of Hornfels and Phonolite 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.

Hornfels and Phonolite Origin and Discoverer

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

Etymology of Hornfels and Phonolite

Along with Hornfels and Phonolite definition, know more about the etymology of Hornfels and Phonolite. Etymology of Hornfels and Phonolite gives information about origin and formation of a particular rock. Know more about Formation of Hornfels and Formation of Phonolite. The etymology of Hornfels is From German which means hornstone while that of Phonolite is From German which means hornstone. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Hornfels belongs to Metamorphic Rocks while Phonolite belongs to Igneous Rocks. The sub-class, group and other categories of Hornfels and Phonolite are listed below.

For Hornfels,

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

For Phonolite,

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