Nephelinite and Hornfels Definition

Definition of Nephelinite and Hornfels

The general Nephelinite and Hornfels definition can be stated as: Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).. 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 Nephelinite and Hornfels, get to know about Properties of Nephelinite and Hornfels. Get to know more information about Nephelinite and Hornfels origin and discoverer, etymology and class.

History of Nephelinite and Hornfels

The history of Nephelinite 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.

Nephelinite and Hornfels Origin and Discoverer

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

Etymology of Nephelinite and Hornfels

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

For Nephelinite,

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