Hornfels and Pegmatite Definition

Definition of Hornfels and Pegmatite

The general Hornfels and Pegmatite 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, Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals. Along with definition of Hornfels and Pegmatite, get to know about Properties of Hornfels and Pegmatite. Get to know more information about Hornfels and Pegmatite origin and discoverer, etymology and class.

History of Hornfels and Pegmatite

The history of Hornfels and Pegmatite 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 Pegmatite Origin and Discoverer

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

Etymology of Hornfels and Pegmatite

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

For Hornfels,

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

For Pegmatite,

• Sub-class: Durable Rock and Hard Rock
• Group: Plutonic
• Other Categories: Coarse grained rock and Opaque rock