Ijolite and Hornfels Definition

Definition of Ijolite and Hornfels

The general Ijolite and Hornfels definition can be stated as: Ijolite is an intrusive igneous rock which is composed mainly of nepheline and an alkali pyroxene, usually aegirine-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 Ijolite and Hornfels, get to know about Properties of Ijolite and Hornfels. Get to know more information about Ijolite and Hornfels origin and discoverer, etymology and class.

History of Ijolite and Hornfels

The history of Ijolite 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.

Ijolite and Hornfels Origin and Discoverer

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

Etymology of Ijolite and Hornfels

Along with Ijolite and Hornfels definition, know more about the etymology of Ijolite and Hornfels. Etymology of Ijolite and Hornfels gives information about origin and formation of a particular rock. Know more about Formation of Ijolite and Formation of Hornfels. The etymology of Ijolite is From the first syllable of the Finnish words Ii-vaara, Iijoki, &c. commonly used geographical names in Finland, and the Gr. Xiflos, a stone while that of Hornfels is From the first syllable of the Finnish words Ii-vaara, Iijoki, &c. commonly used geographical names in Finland, and the Gr. Xiflos, a stone. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Ijolite belongs to Igneous Rocks while Hornfels belongs to Metamorphic Rocks. The sub-class, group and other categories of Ijolite and Hornfels are listed below.

For Ijolite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Plutonic
• 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