Phyllite and Ijolite Definition

Definition of Phyllite and Ijolite

The general Phyllite and Ijolite definition can be stated as: Phyllite is a fine-grained metamorphic rock with a well-developed laminar structure, and is intermediate between slate and schist rocks. On the other hand, Ijolite is an intrusive igneous rock which is composed mainly of nepheline and an alkali pyroxene, usually aegirine-augite. Along with definition of Phyllite and Ijolite, get to know about Properties of Phyllite and Ijolite. Get to know more information about Phyllite and Ijolite origin and discoverer, etymology and class.

History of Phyllite and Ijolite

The history of Phyllite and Ijolite 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.

Phyllite and Ijolite Origin and Discoverer

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

Etymology of Phyllite and Ijolite

Along with Phyllite and Ijolite definition, know more about the etymology of Phyllite and Ijolite. Etymology of Phyllite and Ijolite gives information about origin and formation of a particular rock. Know more about Formation of Phyllite and Formation of Ijolite. The etymology of Phyllite is From Greek phullon leaf + -ite1 while that of Ijolite is From Greek phullon leaf + -ite1. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Phyllite belongs to Metamorphic Rocks while Ijolite belongs to Igneous Rocks. The sub-class, group and other categories of Phyllite and Ijolite are listed below.

For Phyllite,

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

For Ijolite,

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