Ijolite and Chert Definition

Definition of Ijolite and Chert

The general Ijolite and Chert 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, Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture. Along with definition of Ijolite and Chert, get to know about Properties of Ijolite and Chert. Get to know more information about Ijolite and Chert origin and discoverer, etymology and class.

History of Ijolite and Chert

The history of Ijolite and Chert 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 Chert Origin and Discoverer

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

Etymology of Ijolite and Chert

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

For Ijolite,

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

For Chert,

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