Phyllite and Nephelinite Definition

Definition of Phyllite and Nephelinite

The general Phyllite and Nephelinite 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, Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).. Along with definition of Phyllite and Nephelinite, get to know about Properties of Phyllite and Nephelinite. Get to know more information about Phyllite and Nephelinite origin and discoverer, etymology and class.

History of Phyllite and Nephelinite

The history of Phyllite and Nephelinite 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 Nephelinite Origin and Discoverer

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

Etymology of Phyllite and Nephelinite

Along with Phyllite and Nephelinite definition, know more about the etymology of Phyllite and Nephelinite. Etymology of Phyllite and Nephelinite gives information about origin and formation of a particular rock. Know more about Formation of Phyllite and Formation of Nephelinite. The etymology of Phyllite is From Greek phullon leaf + -ite1 while that of Nephelinite 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 Nephelinite belongs to Igneous Rocks. The sub-class, group and other categories of Phyllite and Nephelinite 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 Nephelinite,

• Sub-class: Durable Rock and Hard Rock
• Group: Plutonic
• Other Categories: Fine grained rock and Opaque rock