Ijolite and Adakite Definition

Definition of Ijolite and Adakite

The general Ijolite and Adakite 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, Adakite is an intermediate to felsic volcanic rock that has geochemical characteristics of magma which is said to be formed by partial melting of altered basalt that is subducted below volcanic arcs. Along with definition of Ijolite and Adakite, get to know about Properties of Ijolite and Adakite. Get to know more information about Ijolite and Adakite origin and discoverer, etymology and class.

History of Ijolite and Adakite

The history of Ijolite and Adakite 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 Adakite Origin and Discoverer

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

Etymology of Ijolite and Adakite

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

For Ijolite,

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

For Adakite,

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