Hornfels and Borolanite Definition

Definition of Hornfels and Borolanite

The general Hornfels and Borolanite 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, Borolanite is a variety of Nepheline Syenite and belongs to igneous rocks and contains nepheline-alkali feldspar pseudomorphs which occur as conspicuous white spots in the dark rock matrix. Along with definition of Hornfels and Borolanite, get to know about Properties of Hornfels and Borolanite. Get to know more information about Hornfels and Borolanite origin and discoverer, etymology and class.

History of Hornfels and Borolanite

The history of Hornfels and Borolanite 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 Borolanite Origin and Discoverer

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

Etymology of Hornfels and Borolanite

Along with Hornfels and Borolanite definition, know more about the etymology of Hornfels and Borolanite. Etymology of Hornfels and Borolanite gives information about origin and formation of a particular rock. Know more about Formation of Hornfels and Formation of Borolanite. The etymology of Hornfels is From German which means hornstone while that of Borolanite 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 Borolanite belongs to Igneous Rocks. The sub-class, group and other categories of Hornfels and Borolanite are listed below.

For Hornfels,

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

For Borolanite,

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