Ijolite and Tuff Definition

Definition of Ijolite and Tuff

The general Ijolite and Tuff 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, Tuff is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption. Along with definition of Ijolite and Tuff, get to know about Properties of Ijolite and Tuff. Get to know more information about Ijolite and Tuff origin and discoverer, etymology and class.

History of Ijolite and Tuff

The history of Ijolite and Tuff 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 Tuff Origin and Discoverer

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

Etymology of Ijolite and Tuff

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

For Ijolite,

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

For Tuff,

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