Ijolite and Mylonite Definition

Definition of Ijolite and Mylonite

The general Ijolite and Mylonite 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, Mylonite is a metamorphic rock formed by ductile deformation during intense shearing encountered during folding and faulting, a process termed cataclastic or dynamic metamorphism. Along with definition of Ijolite and Mylonite, get to know about Properties of Ijolite and Mylonite. Get to know more information about Ijolite and Mylonite origin and discoverer, etymology and class.

History of Ijolite and Mylonite

The history of Ijolite and Mylonite 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 Mylonite Origin and Discoverer

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

Etymology of Ijolite and Mylonite

Along with Ijolite and Mylonite definition, know more about the etymology of Ijolite and Mylonite. Etymology of Ijolite and Mylonite gives information about origin and formation of a particular rock. Know more about Formation of Ijolite and Formation of Mylonite. 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 Mylonite 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 Mylonite belongs to Metamorphic Rocks. The sub-class, group and other categories of Ijolite and Mylonite are listed below.

For Ijolite,

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

For Mylonite,

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